4.PAR.3.3 Multiples & Factors Flashcard

Front

What are the factors of 15?

Back

1, 3, 5, 15

Front

Define a prime number.

Back

A prime number is a number that has exactly two factors: one and itself.

Front

Which statement is NOT true? 10 is a factor of 5.

Back

This statement is NOT true because 5 is not divisible by 10.

Front

What is a composite number?

Back

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

Front

List all the factors of 64.

Back

1, 2, 4, 8, 16, 32, 64

Front

What is the definition of a factor?

Back

A factor is a number that divides another number without leaving a remainder.

Front

How do you determine if a number is prime?

Back

A number is prime if it has no divisors other than 1 and itself.

Front

What is the difference between prime and composite numbers?

Back

Prime numbers have exactly two factors, while composite numbers have more than two factors.

Front

List the first five prime numbers.

Back

2, 3, 5, 7, 11

Front

What is the greatest common factor (GCF)?

Back

The GCF is the largest factor that two or more numbers have in common.