Factors / Multiples / Primes / Composites

Front

What is a multiple of a number?

Back

A multiple of a number is the product of that number and an integer. For example, the multiples of 4 are 4, 8, 12, 16, etc.

Front

What is the first multiple of 10?

Back

The first multiple of 10 is 10.

Front

List the first 5 multiples of 4.

Back

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

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 14 are 1, 2, 7, and 14.

Front

Which number is prime?

Back

A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself. For example, 13 is a prime number.

Front

What is a composite number?

Back

A composite number is a natural number greater than 1 that is not prime, meaning it has more than two positive divisors. For example, 4 is a composite number because it has factors 1, 2, and 4.

Front

What is the smallest prime number?

Back

The smallest prime number is 2.

Front

What is the only even prime number?

Back

The only even prime number is 2.

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

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 all of them.