Divisibility + Factors

Front

What is a factor?

Back

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

Front

True or False: Every number has a factor of 1.

Back

True

Front

What does it mean for a number to be divisible by another number?

Back

A number is divisible by another number if the division results in a whole number with no remainder.

Front

Is 324 divisible by 3?

Back

Yes

Front

List all of the factors of 27.

Back

1, 3, 9, 27

Front

How do you know if a number is divisible by 2?

Back

It has an even number as the last digit.

Front

True or False: If a number is divisible by 10, it is also divisible by 5.

Back

True

Front

What are the first five multiples of 5?

Back

5, 10, 15, 20, 25

Front

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

Back

The GCF is 4.

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.