mersenneforum.org - View Single Post - I guess this is OPN-related

fivemack · 2017-01-05, 17:26

factordb.com suggests that (n^61-1)/(n-1) has been carefully factored for all n<1000, though rather neglected above that value. I wonder why that was done?

2017-01-05, 17:26	#1
fivemack (loop (#_fork)) Feb 2006 Cambridge, England 1935₁₆ Posts	I guess this is OPN-related factordb.com suggests that (n^61-1)/(n-1) has been carefully factored for all n<1000, though rather neglected above that value. I wonder why that was done? Last fiddled with by fivemack on 2017-01-05 at 17:27