WorksheetsVENVB HS MATHS JUL1-LCM HCF
Total questions: 20
Worksheet time: 7mins
Greatest factor of every number is____
0
1
Number itself
None of these
Smallest multiple of every number is____
0
1
Number itself
None of these
What is the LCM of 2,4,6
4
6
2
12
Relation between LCM & GCF
LCM X GCF = product of the two numbers
LCM X GCF = sum of the two numbers
LCM + GCF = product of the two numbers
LCM + GCF = sum of the two numbers
Find the HCF for 18, 36, and 81
3
2
6
9
What are all the FACTORS of 24?
1, 2, 12, 24
1, 2, 8, 24
1, 2, 3, 4, 5, 6, 8, 12, 24
1, 2, 3, 4, 6, 8, 12, 24
List the first four multiples of 8.
1, 2, 4, 8
8, 16, 24, 32
16, 24, 32, 40
2, 4, 6, 8, 10
Find the LCM for 6, 18, and 36
6
18
36
108
Find the LCM of 12 and 16...
48
36
64
96
Find the HCF of 12 and 16...
2
4
6
8
Which of the following numbers are co-primes?
8,12
8,15
9,18
15,18
Which of the following pair is a co-prime?
11,15
6,20
9,21
11,44
What does GCF mean?
Great Cookie Fever
Greatest Common Factor
Greatest Common Multiple
Greatest Compared Factor
GCF of 8, 10, 12, and 20
3
4
2
5
Definition of LCM
product of the greatest power of each prime factor
product of the smallest power of each common prime factor
product of the greatest power of each common prime factor
product of the smallest power of each prime factor
Definition of HCF/GCF
product of the greatest power of each prime factor
product of the smallest power of each common prime factor
product of the greatest power of each common prime factor
product of the smallest power of each prime factor
Co Prime Numbers has ...... common factors ?
one
Zero
Two
Many
Two numbers are said to be co-primes if their HCF is ....
0
1
2
even
