Prime, Composite, Factors & Multiples

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

What are factors?

Back

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

Front

What are multiples?

Back

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

Front

List the factors of 12.

Back

The factors of 12 are 1, 2, 3, 4, 6, and 12.

Front

List the first five multiples of 6.

Back

The first five multiples of 6 are 6, 12, 18, 24, and 30.

Front

What is the greatest common factor (GCF)?

Back

The GCF is the largest number that divides two or more numbers without leaving a remainder.

Front

What is the least common multiple (LCM)?

Back

The LCM is the smallest number that is a multiple of two or more numbers.

Front

Is 1 a prime number?

Back

No, 1 is not a prime number.

Front

Is 9 a prime number?

Back

No, 9 is a composite number because it has factors other than 1 and itself.