Grade 4 Topic 7

Front

What are factors?

Back

Factors are numbers that can be multiplied together to get another number. For example, the factors of 12 are 1, 2, 3, 4, 6, and 12.

Front

List all the factors of 27.

Back

1, 3, 9, 27

Front

What is a prime number?

Back

A prime number is a number greater than 1 that has no positive divisors other than 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 number that has more than two positive divisors. For example, 4, 6, 8, and 9 are composite numbers.

Front

How do you find the factors of a number?

Back

To find the factors of a number, list all the whole numbers that can divide that number without leaving a remainder.

Front

What are multiples?

Back

Multiples are the result of multiplying a number by an integer. For example, the first four multiples of 5 are 5, 10, 15, and 20.

Front

List the first four multiples of 7.

Back

7, 14, 21, 28

Front

Is 32 a prime or composite number?

Back

Composite

Front

Which number is a factor of 48?

Back

6

Front

What is the greatest common factor (GCF)?

Back

The GCF is the largest number that can divide two or more numbers without leaving a remainder. For example, the GCF of 12 and 16 is 4.