# What are prime and composite numbers?

Which of the following numbers are composite or prime: 67, 85, 71, 326, 213, 367

Answers

prime numbers being those that can only be divided by themselves and 1

06 April 2011

67 - prime

06 April 2011

326 - is a composite, can be divided by 3 and 2

06 April 2011

71 is a prime number

06 April 2011

85 is composite because it can be divided by 5

06 April 2011

367 is prime

06 April 2011

213 can be divided by 3 so it's composite

06 April 2011

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