WorksheetsLCM and GCF
Total questions: 41
Worksheet time: 1hrs 22mins
Find the GCF:
8 and 12
24
8
4
10
Find the GCF:
6 and 27
3
54
9
27
Find the GCF:
20 and 50
100
10
2
200
Find the GCF:
21 and 35
105
14
735
7
Find the GCF:
3 and 5
15
45
1
5
Find the GCF:
36 and 63
63
9
4
2260
Find the GCF:
88 and 121
8
11
968
10640
Find the GCF:
4, 8, and 14
2
56
4
14
Find the GCF:
100, 200, 300
600
5
2
100
Find the GCF:
30, 35, 40
90
120
5
3
Find the GCF:
36, 60 and 72
12
2
360
540
Find the GCF:
45, 90, 180
5
180
360
45
Find the GCF:
60, 80, 140
480
240
2
20
Find the GCF:
42, 54, 72
2
6
216
356
Find the GCF:
60, 75, 225
5
225
15
500
Find the GCF:
90, 144, 180
18
2
1440
720
Find the GCF:
200, 350, 600
10
600
50
1200
Find the GCF:
105, 189, 252
492
568
7
21
Find the GCF:
180, 270, 360
45
90
450
720
What is the GCF?
The largest number, that is a factor of the other numbers
The greatest number they al multiply to make
A random number they have in common.
Any number I want them to be.
What is the LCM?
Any number I want.
The lowest number, a group of numbers have in common, when you multiply.
The number when you multiply all the numbers together
The lowest number they have.
Find the LCM:
2 and 3:
1
2
6
12
Find the LCM:
4 and 2
6
4
2
8
Find the LCM:
4 and 6
12
24
2
8
Find the LCM:
6 and 9
3
18
54
36
Find the LCM:
14 and 28
28
2
7
56
Find the LCM:
4 and 10
4
40
2
20
Find the LCM:
2 and 8
2
8
16
24
Find the LCM:
6 and 14
84
6
2
42
Find the LCM:
15 and 6
45
90
30
5
Find the LCM:
12 and 8
24
2
4
48
Find the LCM:
3 and 9
27
18
3
9
Find the LCM:
9 and 12
3
36
6
72
Find the LCM:
6 and 22
2
11
66
33
Find the LCM:
15 and 9
9
45
5
135
Find the LCM:
10 and 25
50
5
100
2
Find the LCM:
16 and 12
4
2
64
48
Find the LCM:
18 and 27
3
9
54
104
Find the LCM:
8 and 10
40
2
5
80
Find the LCM:
14 and 8
2
56
7
112
Find the LCM:
4 and 6
12
24
2
8
