Multiples and Factors

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.

Front

What is a composite number?

Back

A composite number is a natural number greater than 1 that has more than two positive divisors.

Front

Is 2 a prime number?

Back

Yes, 2 is the only even prime number.

Front

List the factors of 18.

Back

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

Front

What are multiples of a number?

Back

Multiples of a number are the result of multiplying that number by an integer.

Front

What is the smallest prime number?

Back

The smallest prime number is 2.

Front

Is 9 a prime number?

Back

No, 9 is not a prime number because it has divisors other than 1 and itself (1, 3, 9).

Front

What is the greatest common factor (GCF)?

Back

The GCF is the largest number that divides two or more numbers without leaving a remainder.

Front

What is a factor pair?

Back

A factor pair consists of two numbers that, when multiplied together, equal a given number.

Front

How many factor pairs does the number 31 have?

Back

31 has 1 factor pair: (1, 31).