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rogue · 2016-05-30, 23:19

(2^621443+1)^2-2 is prime! At 374176 digits, it is a about 14,000 digits short of the Top 5000.

2016-05-30, 23:19	#67
rogue "Mark" Apr 2003 Between here and the 6593₁₀ Posts	(2^621443+1)^2-2 is prime! At 374176 digits, it is a about 14,000 digits short of the Top 5000.