Prime and composite

Front

What is a prime number?

Back

A prime number is a number greater than 1 that has exactly two factors: 1 and itself.

Front

What is a composite number?

Back

A composite number is a number greater than 1 that has more than two factors.

Front

Is 1 a prime number?

Back

No, 1 is not a prime number because it has only one factor.

Front

What is a factor?

Back

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

Front

List the factors of 12.

Back

1, 2, 3, 4, 6, 12

Front

Is 2 a prime number?

Back

Yes, 2 is a prime number because it has exactly two factors: 1 and 2.

Front

What is the smallest prime number?

Back

The smallest prime number is 2.

Front

What is the largest two-digit prime number?

Back

The largest two-digit prime number is 97.

Front

What is the next prime number after 7?

Back

The next prime number after 7 is 11.

Front

What is the next multiple of 5 after 25?

Back

The next multiple of 5 after 25 is 30.