Prime Composite Numbers

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 a composite number?

Back

A composite number is a natural number greater than 1 that has more than two positive divisors.

Front

Is 69 a prime or composite number?

Back

69 is a composite number.

Front

Is 61 a prime or composite number?

Back

61 is a prime number.

Front

What are the factors of 40?

Back

The factors of 40 are 1, 2, 4, 5, 8, 10, 20, and 40.

Front

What is the missing factor in the equation 40 = 5 x __?

Back

The missing factor is 8.

Front

Is 31 a prime or composite number?

Back

31 is a prime number.

Front

Is 97 a prime or composite number?

Back

97 is a prime number.

Front

What are the factors of 64?

Back

The factors of 64 are 1, 2, 4, 8, 16, 32, and 64.

Front

What is the smallest prime number?

Back

The smallest prime number is 2.