Prime Factorization Terms and Divisibility Rules 2, 5, 10

Front

What is prime factorization?

Back

Prime factorization is the process of expressing a number as the product of its prime 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 the divisibility rule for 2?

Back

A number is divisible by 2 if it ends with an even digit (0, 2, 4, 6, 8).

Front

What is the divisibility rule for 5?

Back

A number is divisible by 5 if it ends with a 0 or 5.

Front

What is the divisibility rule for 10?

Back

A number is divisible by 10 if it ends with a 0.

Front

Is 840 divisible by 10?

Back

Yes, because it ends in 0.

Front

If a number ends in 0, which of the following must it be divisible by? (2, 5, 10)

Back

All of the above.

Front

Can 865, 900, and 905 be divided evenly by 5?

Back

True.

Front

What digit must a number end with to be divisible by 2?

Back

An even digit.

Front

Are 3,455 and 9,000 divisible by 5?

Back

Yes, because both numbers end in a 5 or 0.