Prime, Composite, Factors and Multiples

Front

What is a prime number?

Back

A prime number is a whole 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 whole number greater than 1 that has more than two positive divisors.

Front

What are factors?

Back

Factors are numbers that can be multiplied together to get another number.

Front

What are multiples?

Back

Multiples of a number are the result of multiplying that number by an integer.

Front

Is 7 a prime number?

Back

Yes, 7 is a prime number because it can only be divided by 1 and 7.

Front

Is 10 a composite number?

Back

Yes, 10 is a composite number because it has factors 1, 2, 5, and 10.

Front

List two factors of 12.

Back

1, 2, 3, 4, 6, 12 (any two: 3 and 4, for example).

Front

What is the first multiple of 5?

Back

The first multiple of 5 is 5.

Front

Which of the following is a multiple of 3: 9, 10, 11?

Back

9 is a multiple of 3.

Front

What is the greatest common factor (GCF) of 8 and 12?

Back

The GCF of 8 and 12 is 4.