Multiples and Factors

Front

Numbers which are multiplied to get another number are called:

Back

Factors

Front

What is the factor of every number?

Back

1

Front

Find the least common multiple of 14, 21 and 7

Back

42

Front

Joe has listed the first 4 multiples of 7 as: 7, 14, 22, 28. Which one is incorrect?

Back

22

Front

List the first 5 prime numbers:

Back

2, 3, 5, 7, 11

Front

True or False: 2 is the only even prime number.

Back

True

Front

Which is a prime number? Options: 15, 19, 21, 27

Back

19

Front

Mrs. Hall's twenty-four students need to be grouped for a project. Which list shows all the different ways she could group her class so that each group has the same number of students?

Back

1,2,3,4,6,8,12,24

Front

HCF of 36 and 20?

Back

4

Front

What is the HCF of 850 and 680?

Back

170