This number is a prime.

Just showing those entries submitted by 'Worrom': (Click here to show all)

+ The smallest prime sum p of a semiprime and sphenic number (77+30) which share a prime factor set Q: {2,3,5,7,11}, where π(p) = sum of Q. [Worrom]

+ The sum of the first n primes up to and including 107 is prime and the first such occasion when n is likewise the sum of first consecutive primes, i.e., n = 2+3+5+7+11 = π(107). [Worrom]

(There are 3 curios for this number that have not yet been approved by an editor.)

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