287
This number is a composite.
The sum of consecutive primes in 3 different ways: 89 + 97 +
101 = 47 + 53 + 59 + 61 + 67 = 17 + 19 + 23 + 29 + 31 + 37
+ 41 + 43 + 47 = 287. [Post]
287 is the sum of the first three NSW primes (7, 41, and 239). [Menhinick]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell