Prime and 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

List the first five prime numbers.

Back

2, 3, 5, 7, 11.

Front

What is a factor?

Back

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

Front

What are the factors of 16?

Back

1, 2, 4, 8, 16.

Front

What are the factors of 24?

Back

1, 2, 3, 4, 6, 8, 12, 24.

Front

What are the factors of 6?

Back

1, 2, 3, 6.

Front

How can you determine if a number is prime?

Back

A number is prime if it has exactly two distinct positive divisors: 1 and itself.

Front

Is 1 a prime number? Why or why not?

Back

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

Front

What is the greatest prime number less than 10?

Back

7.