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Joe O · 2016-03-16, 21:33

Aus_Karlos found the world record base 5 mega prime 92158*5^2145024+1. This prime is 1,499,313 digits long.

This eliminates k=92158 from the base 5 Sierpinski problem, leaving 33 k's remaining. The base 5 Riesel problem has 77 k's remaining.

2016-03-16, 21:33	#3
Joe O Aug 2002 3·5²·7 Posts	Aus_Karlos found the world record base 5 mega prime 92158*5^2145024+1. This prime is 1,499,313 digits long. This eliminates k=92158 from the base 5 Sierpinski problem, leaving 33 k's remaining. The base 5 Riesel problem has 77 k's remaining.