This number is a prime.

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

+ 49513019 is a prime P such that Q and R are prime as well, if Q=(P+1)^2+1 and R=Q^2.Reversal(Q^2), where "." symbolizes concatenation: P=49513019, Q=2451539149520401, R=7090069339891712171989339600907. [Rivera]

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