200
This number is a composite.
Just showing those entries submitted by 'Reamy': (Click here to show all)
Using the alphabet code (a = 1, b = 2, ..., z = 26), SOPHIE GERMAIN PRIME is disappointingly not prime. However, it is
a composite with a factorization made solely out of Sophie Germain primes (2^3 * 5^2). [Reamy]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Reginald McLean