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.

Tags

CCSS.4.OA.B.4

Front

What is a composite number?

Back

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

Tags

CCSS.4.OA.B.4

Front

What are factors?

Back

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

Tags

CCSS.4.OA.B.4

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.

Tags

CCSS.4.OA.B.4

Front

What is the smallest 2-digit prime number?

Back

The smallest 2-digit prime number is 11.

Tags

CCSS.4.OA.B.4

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.

Tags

CCSS.4.OA.B.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.

Tags

CCSS.4.OA.B.4

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.