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

Known
Factors
Exponent
Count
113
106
945
8316
72,492
618,583
5153,863
Exponent # Known FactorsSum Bitsize of Known Factors Largest factor (bits) % Known PrimeNetGPU72actual
M1,3675123.2654.729.0167008295%240 244
M1,4335153.0352.7710.6791091597%240 244
M1,4395179.7695.8312.4919501207%240 244
M1,5235358.03151.5723.5083101694%240 244
M1,7775418.86131.1623.5711890660%240 244
M1,8115594.86190.0532.8470156377%240 244
M1,9995418.07130.4320.9137449053%240 244
M2,0175512.92193.3325.4299749256%240 244
M2,0395385.50173.1118.9063627760%240 244
M2,4115214.7590.758.9070206558%240 244
M2,5515272.5078.5610.6820751617%240 244
M2,5935214.3782.058.2671107114%240 244
M2,8435403.99136.6014.2100070234%240 244
M2,9035271.9287.529.3670114014%240 244
M2,9995241.8581.918.0642784773%240 244
M3,0015275.29108.559.1733742978%240 244
M3,0195509.27161.2216.8689631671%240 244
M3,1815276.21169.458.6832214135%240 244
M3,1915403.80122.0312.6542824266%240 244
M3,3615579.28163.1817.2354790960%240 244
M3,4335227.00112.416.6122911030%240 244
M3,5295121.9930.403.4567467879%240 244
M3,5335241.3674.176.8316234679%240 244
M3,6135295.03136.688.1658535188%240 244
M3,7015164.6767.634.4492939670%240 244
M3,7935289.32113.587.6278232669%240 244
M3,8035165.7544.834.3583151319%240 244
M3,8515404.98121.8310.5163391203%240 244
M3,9235314.72110.388.0223836170%240 244
M4,0195286.03111.787.1168339623%240 244
M4,0575289.80127.437.1433086161%240 244
M4,0995229.14106.735.5900899050%240 244
M4,2975302.29117.607.0349779745%240 244
M4,5475278.5277.676.1252927854%240 244
M4,5975157.8373.633.4333002432%240 244
M4,6635317.8777.116.8167895929%240 244
M4,9575352.25157.447.1060927921%240 244
M5,0035336.69145.636.7297864013%240 244
M5,1535471.39119.429.1479018916%240 244
M5,2315136.7350.122.6138227838%240 244
M5,5015434.33137.987.8954944458%240 244
M5,5815388.08122.676.9536250770%240 244
M6,0895304.7875.625.0053655610%240 244
M6,3115206.2469.493.2679466963%240 244
M6,4495294.40137.154.5649792750%240 244
M6,4815294.71122.734.5472775137%240 244
M6,5635179.0478.272.7279445845%240 244
M7,0795233.7392.513.3017553734%240 244
M7,1515259.5384.763.6292748388%240 244
M7,4575320.12141.184.2928570907%240 244
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