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Old November 11th, 2006, 09:27 PM
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Default Prime Numbers

What is the smallest positive integer n such the the value 7+30*n is not a prime number?
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Old November 11th, 2006, 10:39 PM
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Quote:
Originally Posted by Rimas View Post
What is the smallest positive integer n such the the value 7+30*n is not a prime number?
Obviously n = 7 gives a non prime. So just check 1 to 6
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