WorksheetsJMS LCM GCF
Total questions: 61
Worksheet time: 1hrs 25mins
Name
Class
Date
1.
GCF of 12 and 18
a)
3
b)
4
c)
6
d)
2
2.
GCF 24 and 36
a)
8
b)
6
c)
12
d)
4
3.
GCF of 32 and 40
a)
2
b)
4
c)
6
d)
8
4.
GCF of 10 and 12
a)
5
b)
2
c)
3
d)
6
5.
GCF of 16 and 18
a)
4
b)
2
c)
6
d)
8
6.
GCF of 24 and 48
a)
3
b)
6
c)
12
d)
24
7.
GCF of 50 and 100
a)
10
b)
25
c)
50
d)
5
8.
GCF of 18 and 24
a)
2
b)
3
c)
4
d)
6
9.
GCF of 14 and 28
a)
2
b)
7
c)
14
d)
8
10.
GCF of 4 and 6
a)
2
b)
3
c)
4
d)
6
11.
What is the greatest factor of 28 and 49?
a)
1
b)
2
c)
7
d)
12
12.
What is the GCF of 20 and 30?
a)
5
b)
2
c)
10
d)
20
13.
What is the greatest factor of 28 and 49?
a)
1
b)
2
c)
7
d)
12
14.
GCF of 99 and 54
a)
9
b)
3
c)
6
d)
8
15.
Jane has 18 juice boxes, 24 bags of peanuts and 36 apples. She wants to make snack bags with the same number of each thing in each bag. What is the greatest number of snack bags Jane can make.
a)
4
b)
6
c)
8
d)
10
16.
Peter has 18 oranges, 27 pears and 12 bananas. He wants to make fruit baskets with the same number of each fruit in each basket. What is the greatest number of fruit baskets he can make?
a)
1
b)
2
c)
3
d)
4
17.
What is the GCF of 20, 44, and 88?
a)
4
b)
2
c)
22
d)
1
18.
Which number is a factor of 21
a)
8
b)
9
c)
6
d)
3
19.
Which number is a factor of 18
a)
4
b)
7
c)
6
d)
12
20.
what numbers are the factors of 9?
a)
9,18,27,36
b)
1,2,9
c)
1,3,9
d)
0,1,3,9
21.
Find the GCF of 6 and 24.
a)
2
b)
3
c)
1
d)
6
22.
What is the greatest common Factor between 30 and 45?
a)
1
b)
15
c)
3
d)
5
23.
Find the greatest common factor of 32 and 48
a)
2
b)
8
c)
16
d)
18
24.
Find the greatest common factor of 24 and 48
a)
4
b)
12
c)
24
d)
48
25.
What are the factors of 24?
a)
1, 2, 3, 4, 6, 8, 12, 24
b)
1, 3, 6, 8, 24
c)
1, 2, 3, 4, 6
d)
1, 24
26.
What are the factors of 25?
a)
1, 2, 3, 5, 10, 15, 25
b)
1, 5, 25
c)
1, 25
d)
1, 5
27.
What is the GCF of 7 and 18?
a)
7
b)
18
c)
1
d)
3
28.
Find the Greatest Common Factor of 27 and 63.
a)
3
b)
9
c)
7
d)
12
29.
Find the Greatest Common Factor of 54 and 126.
a)
2
b)
9
c)
54
d)
18
30.
Find the Greatest Common Factor of 18 and 24.
a)
6
b)
4
c)
3
d)
8
31.
Find the Greatest Common Factor of 8 and 12.
a)
4
b)
12
c)
8
d)
96
32.
Find the Greatest Common Factor (GCF) of 14 & 22.
a)
1
b)
2
c)
7
d)
14
33.
Find the Greatest Common Factor (GCF) of 12 & 27
a)
1
b)
3
c)
9
d)
12
34.
Find the Least Common Multiple (LCM) of 4 & 14.
a)
14
b)
20
c)
28
d)
42
35.
Find the Least Common Multiple (LCM) of 12 & 30
a)
30
b)
36
c)
60
d)
90
36.
Find the Least Common Multiple (LCM) of 12 & 18
a)
36
b)
48
c)
60
d)
72
37.
Find the Least Common Multiple (LCM) of 2, 3 & 6.
a)
2
b)
6
c)
12
d)
24
38.
What is the least common multiple (LCM) of 5 and 20?
a)
4
b)
5
c)
20
d)
100
39.
What is the least common multiple (LCM) of 2 and 3?
a)
6
b)
8
c)
20
d)
10
40.
What is the least common multiple (LCM) of 4 and 10?
a)
4
b)
40
c)
15
d)
20
41.
What is the least common multiple (LCM) of 8 and 5?
a)
50
b)
40
c)
5
d)
8
42.
What is the least common multiple (LCM) of 3 and 20?
a)
60
b)
40
c)
20
d)
3
43.
What is the least common multiple (LCM) of 2 and 5?
a)
2
b)
10
c)
20
d)
7
44.
Ap- What is the LCM of 2, 4, 6?
a)
6
b)
12
c)
4
d)
2
45.
What is the LCM?
a)
The LCM is the least common factor that both numbers share the least.
b)
The LCM is a multiple that both numbers share the most.
c)
The LCM is a multiple that both numbers share the least.
d)
The LCM is a factor that both numbers share the least.
46.
Which is a NOT a factor of 9?
a)
0
b)
1
c)
3
d)
9
47.
Jane has 18 juice boxes, 24 bags of peanuts and 36 apples. She wants to make snack bags with the same number of each thing in each bag. What is the greatest number of snack bags Jane can make.
a)
4
b)
6
c)
8
d)
10
48.
Jane has 18 juice boxes, 24 bags of peanuts and 36 apples. She wants to make snack bags with the same number of each thing in each bag. What is the greatest number of snack bags Jane can make.
a)
4
b)
6
c)
8
d)
10
49.
Peter has 18 oranges, 27 pears and 12 bananas. He wants to make fruit baskets with the same number of each fruit in each basket. What is the greatest number of fruit baskets he can make?
a)
1
b)
2
c)
3
d)
4
50.
Peter has 18 oranges, 27 pears and 12 bananas. He wants to make fruit baskets with the same number of each fruit in each basket. How many PEARS will be in the greatest number of fruit baskets?
a)
7
b)
8
c)
9
d)
10
51.
A store is organizing toys into bins. The toys must be put into bins so that each bin contains the same number of toys without mixing the toys.
What is the greatest number of toys that can be put in a bin?
Toys to Place in Bins
Toy Number of Toys
Anemones 12
Limpets 14
Snails 18
What is the greatest number of toys that can be put in a bin?
Toys to Place in Bins
Toy Number of Toys
Anemones 12
Limpets 14
Snails 18
a)
1 of each toy
b)
2 of each toy
c)
3 of each toy
d)
4 of each toy
52.
A store is organizing toys into bins. The toys must be put into bins so that each bin contains the same number of toys without mixing the toys.
5. What is the greatest number of toys that can be put in a bin?
Toys to Place in Bins
Toy Number of Toys
Anemones 12
Limpets 14
Snails 18
5. What is the greatest number of toys that can be put in a bin?
Toys to Place in Bins
Toy Number of Toys
Anemones 12
Limpets 14
Snails 18
a)
5 bins for anemones, 7 bins for limpets, and 9 bins for Snails
b)
5 bins for anemones, 6 bins for limpets, and 8 bins for Snails
c)
6 bins for anemones, 7 bins for limpets, and 9 bins for Snails
d)
7 bins for anemones, 8 bins for limpets, and 10 bins for Snails
53.
Avery gets newsletters by e-mail. He gets one for sports every 5 days, one for model railroads every 10 days, and one for music every 8 days. If he got all three today, how many more days will it be until he gets all three newsletters on the same day again?
a)
80 days
b)
40 days
c)
50 days
d)
60 days
54.
The school cafeteria serves tacos every sixth day and cheeseburgers every eight day. If tacos and cheeseburgers are both on today’s menu, how many days will it be before they are both on the menu again?
a)
14 days
b)
24 days
c)
34 days
d)
44 days
55.
Two clocks are turned on at the same time. One clock chimes every 15 minutes. The other clock chimes every 25 minutes. In how many minutes will they chime together?
a)
55 minutes
b)
25 minutes
c)
60 minutes
d)
75 minutes
56.
Karen has 30 photos from a trip to Dallas and 48 photos from a trip to Austin. She wants to put all the photos in an album so that the photos from each trip are in separate sections. What is the greatest number of photos she can put on each page?
a)
18 photos
b)
6 photos
c)
240 photos
57.
Buses from 2 different bus routes each stop at the same corner at 9 a.m. One stops every 9 minutes, and the other stops every 12 minutes. What is the fewest number of minutes that will pass until the next time buses from both routes are there at the same time?
a)
9:03
b)
9:12
c)
9:36
58.
St. Michael's Middle School offers tutoring for their students. Tammy can only go every 4th day, and Morgan can go every 6th day. What will be the next day that both girls will be at tutoring?
a)
12
b)
24
c)
2
59.
Morgan and her little brother receive stickers for doing their assignments at home each week. Morgan has 14 assignments due each week and her brother, Willie, has 8 assignments due. What is the lowest number of stickers each sibling will have?
a)
16
b)
56
c)
2
60.
In Tammy's class, the students are voting for a new line leader every 10 days and a new materials collector every 4 days. At which day will the students vote for both a new line leader and a new materials collector?
a)
4
b)
40
c)
20
61.
In Science class, Mrs. Rollins told her class that the planets revolve around the Sun at different times. It takes Jupiter 12 "Earth years" , and Saturn takes 30 "Earth years". How often will Jupiter and Saturn align? (LCM)
a)
24
b)
60
c)
360
100 %
