Mersenne Prim Number
M9 = 2 61 -1


Max: 61 -- Prim count :18 -- time calc finish:       0.00 s -- time count finish:       0.03 s
calc 2^61 -1
      0.00 s 2025/07/01 04:18 done

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Rolf LANG - Remsstr. 39 - 71384 Weinstadt | 04:18:45 up 29 days, 15:50, 0 user, load average: 0.11, 0.11, 0.09