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Top Mersenne exponents with the most known factors:
Exponent range: - , number of factors between and

Known
Factors
Exponent
Count
113
106
940
8240
71,669
613,190
585,433
4465,789
Exponent # Known Factors Sum Bitsize of Known Factors Largest factor (bits)% Known PrimeNetGPU72actual
M9915991.00453.7699.9999700798%240 244
M1,09351,093.00571.52100.0000000000%240 244

M9476947.00374.80100.0000000000%240 244
M1,15161,151.00461.0599.9999657015%240 244

M8635863.00454.8899.9999898634%240 244

M1,00981,009.00382.66100.0000000000%240 244

M8535853.00437.87100.0000000000%240 244

M8276827.00306.1699.9999631114%240 244

M1,01951,019.00566.69100.0000000000%240 244
M8875887.00455.0799.9999772013%240 244
M1,18151,181.00724.1499.9999662162%240 244

M8776877.00353.53100.0000000000%240 244
M6416641.00260.39100.0000000000%240 244

M7615761.00399.7199.9998683864%240 244

M1,18761,187.00676.15100.0000000000%240 244

M8215821.00483.7499.9999887185%240 244

M9776977.00566.45100.0000000000%240 244
M1,20161,201.00837.56100.0000000000%240 244

M1,08781,087.00433.7699.9998987754%240 244

M9295929.00508.1499.9999574035%240 244

M9536953.00514.07100.0000000000%240 244

M9375937.00508.3399.9999145125%240 244

M1,2294286.48182.6423.3098454028%240 244

M7977797.00279.7299.9998991982%240 244

M1,4896512.26176.0034.4030221625%240 244

M6775677.00322.44100.0000000000%240 244
M2,0395385.50173.1118.9063756744%240 244

M7736773.00300.0399.9999605384%240 244
M1,37361,373.001,068.37100.0000000000%240 244

M1,7214293.40163.1617.0479372458%240 244

M2,24362,243.001,577.5699.9999824704%240 244

M2,7114346.01162.0412.7632239026%240 244

M7437743.00338.13100.0000000000%240 244

M2,3396432.76160.7118.5017101325%240 244

M1,02151,021.00770.2199.9999415600%240 244

M2,08772,087.001,587.52100.0000000000%240 244

M1,6014391.41158.8424.4480949407%240 244
M2,6174244.66158.239.3488345434%240 244

M4,9575352.25157.447.1060923946%240 244
M1,03351,033.00697.41100.0000000000%240 244
M1,32151,321.001,111.98100.0000000000%240 244

M2,1414250.76152.9711.7120971509%240 244

M1,4816448.43152.5530.2790681972%240 244

M1,5235358.03151.5723.5083388050%240 244

M3,7678423.82151.5611.2507300239%240 244

M3,9116475.57151.4212.1597545385%240 244

M8,2694253.39150.173.0643124924%240 244
M2,5794308.58149.9511.9651803024%240 244

M77,6595412.05149.010.5305940071%240 244

M33,7674268.30148.870.7945508929%240 244
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