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 2026/06/10 20:53 done

                                                                                          230584300.9213693951

Rolf LANG - Remsstr. 39 - 71384 Weinstadt | 20:53:45 up 11 days, 8:46, 1 user, load average: 1.13, 1.91, 1.18