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What is a composite number?
A composite number has more than 2 factors. It can be divided exactly by a whole number besides 1 and itself.
What is a prime factor?
A factor that is a prime number.
What are the prime numbers between 10 and 20?
11, 13, 17, 19
List the factors of 36.
1, 2, 3, 4, 6, 9, 12, 18, 36
Which number between 6 and 12 have 3 as their factor?
9
What are the prime factors of 28?
2 and 7
What are the prime factors of 36?
2 and 3
What are the factors of 39?
1, 3, 13 and 39.
What is a prime number?
A prime number is a whole number greater than 1 that has only 2 factors, 1 and itself.
What are the prime numbers between 70-80?
71, 73, 79
What is a factor?
A factor of a number is any whole number that can divide the number exactly (no remainder) .
What are the prime factors of 75?
3 and 5
What are the composite numbers between 10 and 20?
10, 12, 14, 15, 16, 18, 20
What are the prime factors of 21?
3 and 7
