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Factors, Multiples, and Primes: Set 4

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Factors, Multiples, and Primes: Set 4

Find factor pairs, multiples, and prime numbers.

Factor pairs

Write the missing factor.

1.
Find the missing factor.

81 = 9 ×

2.
Find the missing factor.

18 = 3 ×

3.
Find the missing factor.

57 = 3 ×

4.
Find the missing factor.

98 = 2 ×

5.
Find the missing factor.

78 = 6 ×

Multiples

Choose the multiple.

6.
Which number is a multiple of 8?
Question 6 options
7.
Which number is a multiple of 8?
Question 7 options
8.
Which number is a multiple of 6?
Question 8 options
9.
Which number is a multiple of 5?
Question 9 options
10.
Which number is a multiple of 8?
Question 10 options

Prime or composite

Find the prime numbers.

11.
Circle every prime number.

12.
Sort each number as prime or composite.