This number is a composite.

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

+ The smallest number, all of whose prime factors are of form 4n+3, whose sum of distinct prime factors is prime: 3*7*19 = 399; 3+7+19 = 29. [Post]

Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell