Factors and Multiples Review Practice

Front

What are factors?

Back

Factors are numbers that divide another number evenly, without leaving a remainder.

Front

List the factors of 18.

Back

1, 2, 3, 6, 9, 18

Front

What are multiples?

Back

Multiples are numbers that can be divided by a given number without a remainder.

Front

What is the least common multiple (LCM) of 4 and 5?

Back

20

Front

Identify a number that is a multiple of 4.

Back

Examples include 4, 8, 12, 16, 20, etc.

Front

Is 45 a prime number or a composite number?

Back

Composite

Front

Define 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 factors.

Front

What are the factors of 15?

Back

1, 3, 5, 15

Front

How do you determine if a number is prime?

Back

A number is prime if it has exactly two distinct positive divisors: 1 and itself.