mersenneforum.org - View Single Post - Is there a way to check a certain exponent for whether or not (2^that exponent)

Prime95 · 2019-01-03, 03:20

Check here to make sure it has no known factors: https://www.mersenne.org/report_exponent/

If the exponent is large, say above 200,000,000 expect a really long run time. Also consider doing a PRP test (better error checking) rather than an LL test.

2019-01-03, 03:20	#3
Prime95 P90 years forever! Aug 2002 Yeehaw, FL 16272₈ Posts	Check here to make sure it has no known factors: https://www.mersenne.org/report_exponent/ If the exponent is large, say above 200,000,000 expect a really long run time. Also consider doing a PRP test (better error checking) rather than an LL test.