Multiples and Factors

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.

Front

What is a composite number?

Back

A composite number is a number that has more than two factors.

Front

What are factors?

Back

Factors are numbers that can be multiplied together to get another number.

Front

What is a multiple?

Back

A multiple of a number is the product of that number and an integer.

Front

Which number is NOT prime: 3, 7, 17, 21?

Back

21 is NOT a prime number.

Front

What is the smallest 2-digit prime number?

Back

The smallest 2-digit prime number is 11.

Front

Which are the factors of both 6 and 15?

Back

The common factor of both 6 and 15 is 3.

Front

Which of the following number is divisible by 4: 932, 810, 414, 638?

Back

932 is divisible by 4.

Front

What is the definition of divisibility?

Back

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

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.