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Total questions: 21
Worksheet time: 5hrs 15mins
Which is the prime factorization of 12?
2 x 2 x 3
2 + 2 + 2 + 2 + 2 + 2
(1,14)
(1, 2, 7, 14)
(2, 7)
(1, 2, 3, 8, 12, 24)
(2, 3, 4, 6, 8, 12)
(1, 2, 3, 4, 6, 8, 12, 24)
What are the prime factors of 27?
3x3x3
3x2x3
3x3x4
Use a number tree to find the prime factorization of 32
2 x 2 x 2 x 3
2 x 2 x 2 x 2 x 2
Find the prime factors of 45.
5x9
3x15
3x3x5
Which number is a multiple of 3?
27
28
29
Which one is a multiple of 4?
33
22
24
Which of the following shows the multiples of 12?
12,22,53,60
4,8,12,16,24
12,24,36,48,60
Select all of the multiples of 8.
2
8
32
4
Select all of the composite numbers.
12
16
3
7
Which of the following is a factor of 12? Select all that apply.
12
2
24
3
Which one of the numbers below is prime numbers?
15
17
16
12
What is the greatest common factor of 14 and 35?
2
7
8
5
What is the greatest common factor of 35 and 47?
5
7
1
8
