Sierpinski conjecture base 415 remain

Started: Jan. 20, 2026
Last update: Feb. 9, 2026

Compiled by Gary Barnes
Riesel conjectures
Riesel conjectures powers of 2
Riesel conjecture reservations
Sierpinski conjectures
Sierpinski conjectures powers of 2
Sierpinski conjecture reservations

Testing is coordinated at Mersenneforum Conjectures 'R Us.

45200957 k's remaining at n=1K. k's remaining in a file:

remain-sierp-base415-1K.zip