Mersenne Prim Number
M9 = 2 61 -1


Max: 61 -- Prim count :18 -- time calc finish:       0.00 s -- time count finish:       0.07 s
calc 2^61 -1
      0.00 s 2026/01/06 23:25 done

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Rolf LANG - Remsstr. 39 - 71384 Weinstadt | 23:25:29 up 16 days, 5:35, 0 user, load average: 4.35, 3.28, 2.70