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Solution or solutions (Posted on 2014-03-20) Difficulty: 3 of 5
The sum of n consecutive primes beginning
with n is n times the nth prime.

1. I know one solution - find it!
2. Are there any others? - please comment.

No Solution Yet Submitted by Ady TZIDON    
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Part 1 | Comment 1 of 6
n=3
The sum of 3 consecutive primes beginning with 3 is 3+5+7=15
which is 3 times the 3rd prime.  3*5=15

To try for more it would seem a program is the way to go.  You could probably be able to establish an upper bound using the prime counting function.

  Posted by Jer on 2014-03-20 14:51:12
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