Factors, Multiple, Prime and Composite

Front

What is a factor?

Back

A factor is a whole number that can be divided evenly into another number. For example, 4 is a factor of 56 because 56 ÷ 4 = 14.

Front

What is a multiple?

Back

A multiple is the result of multiplying a number by an integer. For example, the first five multiples of 3 are 3, 6, 9, 12, and 15.

Front

What is a prime number?

Back

A prime number is a whole number greater than 1 that has exactly two factors: 1 and itself. For example, 2, 3, 5, and 7 are prime numbers.

Front

What is a composite number?

Back

A composite number is a whole number greater than 1 that has more than two factors. For example, 4, 6, and 8 are composite numbers.

Front

Which number is a factor of every even number?

Back

The number 2 is a factor of every even number.

Front

List the first 5 multiples of 4.

Back

The first 5 multiples of 4 are 4, 8, 12, 16, and 20.

Front

Is 1 a prime number?

Back

No, 1 is not a prime number because it has only one factor, which is itself.

Front

What is the greatest common factor (GCF) of 12 and 16?

Back

The GCF of 12 and 16 is 4.

Front

What is the least common multiple (LCM) of 3 and 5?

Back

The LCM of 3 and 5 is 15.

Front

How many factors does the number 9 have?

Back

The number 9 has three factors: 1, 3, and 9.