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Sum of primes is a square (
Posted on 20120629
)
Let's define S(k) = p
_{1}
+ p
_{2}
+ ... + p
_{k}
, i.e. "the sum of the first k primes"
The sum of the first 9 consecutive prime numbers equals 100, a square number.
Find all k (below 9999) that will similarly produce perfect squares.
Submitted by
Ady TZIDON
Rating:
5.0000
(1 votes)
Solution:
(
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)
(9,2474,6694,7785) ==> (100,25633969,2312372329,292341604)
Comments: (
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Subject
Author
Date
re: computer solution with an extension
Charlie
20120629 16:14:23
computer solution with an extension
Charlie
20120629 16:04:50
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