mersenneforum.org - View Single Post - Largest known prime p such that 6p-1 and 6p+1 are prime?

Batalov · 2016-04-06, 18:22

For all of the values in that table, is $x = {{p_{TWIN} + 1} \over 6}$ prime? (So that the twins would be 6x-1 and 6x+1, you know?)

Hint: no.

2016-04-06, 18:22	#6
Batalov "Serge" Mar 2008 Phi(4,2^7658614+1)/2 31·317 Posts	For all of the values in that table, is $x = {{p_{TWIN} + 1} \over 6}$ prime? (So that the twins would be 6x-1 and 6x+1, you know?) Hint: no.