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

Known
Factors
Exponent
Count
113
106
945
8306
72,352
616,546
5131,556
Exponent # Known Factors Sum Bitsize of Known Factors Largest factor (bits)% Known PrimeNetGPU72actual
M9476947.00374.80100.0000000000%240 244
M1,15161,151.00461.05100.0000000000%240 244

M1,00981,009.00382.66100.0000000000%240 244

M8276827.00306.16100.0000000000%240 244
M8776877.00353.53100.0000000000%240 244
M6416641.00260.39100.0000000000%240 244
M1,18761,187.00676.15100.0000000000%240 244
M9776977.00566.45100.0000000000%240 244
M1,20161,201.00837.56100.0000000000%240 244

M1,08781,087.00433.76100.0000000000%240 244

M9536953.00514.07100.0000000000%240 244

M7977797.00279.72100.0000000000%240 244

M1,4896512.26176.0034.4030284529%240 244

M2,0395385.50173.1118.9063627760%240 244

M7736773.00300.03100.0000000000%240 244
M1,37361,373.001,068.37100.0000000000%240 244
M2,24362,243.001,577.56100.0000000000%240 244

M7437743.00338.13100.0000000000%240 244

M2,3396432.76160.7118.5017131149%240 244

M2,08772,087.001,587.52100.0000000000%240 244

M4,9575352.25157.447.1060927921%240 244

M1,4816448.43152.5530.2790591996%240 244

M1,5235358.03151.5723.5083101694%240 244

M3,7678423.82151.5611.2507356681%240 244

M3,9116475.57151.4212.1597443232%240 244

M77,6595412.05149.010.5305941008%240 244
M33,7675375.95148.871.1133652809%240 244

M1,09161,091.00731.35100.0000000000%240 244

M5,0035336.69145.636.7297864013%240 244

M2,78962,790.032,335.32100.0000000000%240 244

M12,4217478.73142.923.8542275407%240 244
M3,8537582.24142.4715.1112975626%240 244

M8,1116409.75142.225.0517767981%240 244

M7,4575320.12141.184.2928570907%240 244

M8,7616373.09139.094.2585605493%240 244

M91,1595359.98138.550.3948972643%240 244
M5,5015434.33137.987.8954944458%240 244
M6,4495294.40137.154.5649792750%240 244
M3,6135295.03136.688.1658535188%240 244
M2,8435403.99136.6014.2100070234%240 244

M2,6578384.49136.0514.4707100428%240 244

M11,2395365.43135.513.2514066830%240 244
M12,0115317.50135.382.6434059078%240 244

M5,5636445.85134.478.0144772055%240 244

M31,8179649.29134.152.0406927922%240 244

M6,9977428.63131.746.1258409701%240 244

M71,9335456.03131.550.6339717469%240 244
M72,9775325.52131.170.4460570536%240 244
M1,7775418.86131.1623.5711890660%240 244
M99,9075272.04130.610.2722936897%240 244
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