Prime Curios!: 46

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The least even number 2k such that SOP(2, P(k)) is divisible by 2k, i.e., SOP(2, P(k)) is congruent to 0 mod (2k). Note that SOP(2, P(k)) = the sum of primes from 2 to the prime P(k). [Rivera]

Submitted: 2000-06-29 12:55:20; Last Modified: 2008-01-30 11:28:00.