Factors, Prime & Composite

Front

What is a prime number?

Back

A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself.

Front

What is a composite number?

Back

A composite number is a natural number greater than 1 that has more than two positive divisors.

Front

Which number below is NOT PRIME? 2, 11, 13, 18

Back

18 is not a prime number.

Front

List the first 5 multiples of 3.

Back

3, 6, 9, 12, 15

Front

What is the greatest common factor (GCF) of 12 and 30?

Back

The GCF of 12 and 30 is 6.

Front

What is a factor?

Back

A factor is a whole number that can be divided evenly into another number.

Front

What are the first 5 prime numbers?

Back

2, 3, 5, 7, 11

Front

What is the next multiple? 12, 24, 36, 48, _____

Back

60 is the next multiple.

Front

How do you find the GCF of two numbers?

Back

List the factors of each number and find the largest factor they have in common.

Front

What is the relationship between prime and composite numbers?

Back

All prime numbers are not composite, but all composite numbers are not prime.