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WorksheetsPrimes, Composite, Factorization
Total questions: 15
Worksheet time: 51mins
Which sentence is true about composite numbers?
it is odd
it is even
it has only 2 factors
it has more than 2 factors
Which of the following contains only prime numbers?
2, 4, 8, 16, 32
3, 5, 7, 9, 11
3, 7, 11, 17, 19
11, 13, 15, 23, 29
Which statement about prime numbers is true?
All prime numbers are odd.
Prime numbers have only 2 factors.
The first three prime numbers are 3, 5, 7.
All prime numbers can be divided by 2 with no remainder.
Which list has ONLY prime numbers?
1, 2, 3
2, 3, 5
2, 3, 4
2, 4, 6
Which list has ONLY composite numbers?
8, 16, 24
2, 4, 6
5, 10, 15
3, 6, 9
Which list has ONLY prime numbers?
1, 2, 3
2, 3, 5
2, 3, 4
2, 4, 6
Which list has ONLY composite numbers?
8, 16, 24
2, 4, 6
5, 10, 15
3, 6, 9
What is the LCM of 3 and 9?
3
9
45
18
Find the LCM of 5 and 8
5
8
40
24
What are all of the factors of 12?
1 and 12
1, 2, 3, 4, & 6
1, 2, 3, 4, 6, & 12
1, 2, 3, 4, 6, 10, & 12
12, 24, 36, 48, 72 , 84...
What is the Greatest Common Factor of 12 and 18?
1
3
6
8
What are the prime factors of 27?
3x3x3
3x2x3
3x3x4
Find the prime factorization of 56.
2x2x2x7
2x28
3x3x7
