prime and composite numbers

Front

Is 5 prime or composite?

Back

prime

Front

Is 81 prime or composite?

Back

Composite

Front

Which number below is NOT prime? Options: 7, 9, 2, 3

Back

9

Front

Which definition best describes a prime number?

Back

A number greater than 1 that only has factors of 1 and itself

Front

Is 3 a factor of 12?

Back

yes

Front

What are all prime numbers divisible by?

Back

1 and itself

Front

How is a prime number different from a composite number?

Back

Prime numbers have only 2 factors, and composite numbers have more than 2 factors.

Front

Which number is NOT a factor of 10? Options: 1, 2, 3, 5

Back

3

Front

First four prime numbers are:

Back

2, 3, 5, 7