Prime Numbers

Front

What are prime numbers divisible by?

Back

1 and itself.

Front

Which of the following is a prime number: 73, 80, 90?

Back

73.

Front

Choose a prime number from the list: 4, 6, 7, 8.

Back

7.

Front

Which of the following is an even prime number: 2, 4, 6?

Back

2.

Front

Is 29 prime or composite?

Back

Prime.

Front

What is the definition of 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

List the first five prime numbers.

Back

2, 3, 5, 7, 11.

Front

What is the only even prime number?

Back

2.

Front

Are all prime numbers odd?

Back

No, the only even prime number is 2.

Front

What is the sum of the first three prime numbers?

Back

2 + 3 + 5 = 10.