Factors and Multiples

Front

What are factors of a number?

Back

Factors of a number are integers that can be multiplied together to produce that number. For example, the factors of 48 are 1, 2, 4, 6, 8, 12, 16, 24, and 48.

Front

What are multiples of a number?

Back

Multiples of a number are the result of multiplying that number by an integer. For example, the multiples of 5 are 5, 10, 15, 20, 25, etc.

Front

How do you find the factors of a number?

Back

To find the factors of a number, divide the number by integers starting from 1 up to that number. If the division results in a whole number, then both the divisor and the quotient are factors.

Front

What is the least common multiple (LCM)?

Back

The least common multiple (LCM) of two or more numbers is the smallest number that is a multiple of each of the numbers.

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. For example, 19 is a prime number.

Front

What is the greatest common factor (GCF)?

Back

The greatest common factor (GCF) of two or more numbers is the largest number that divides all of them without leaving a remainder.

Front

How can you determine if a number is a multiple of another number?

Back

A number is a multiple of another number if it can be divided by that number without leaving a remainder.

Front

List the factors of 18.

Back

The factors of 18 are 1, 2, 3, 6, 9, and 18.

Front

List the factors of 24.

Back

The factors of 24 are 1, 2, 3, 4, 6, 8, 12, and 24.

Front

What is the relationship between factors and multiples?

Back

Factors are the numbers that divide another number evenly, while multiples are the results of multiplying a number by integers.