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

Known
Factors
Exponent
Count
113
106
943
8248
71,760
613,839
589,640
4486,257
Exponent # Known Factors Sum Bitsize of Known FactorsLargest factor (bits) % Known PrimeNetGPU72actual
M1,15161,151.00461.0599.9999657015%240 244
M2,24362,243.001,577.5699.9999824704%240 244

M1,08781,087.00433.7699.9998987754%240 244

M31,8179649.29134.152.0406920828%240 244

M1,00981,009.00382.66100.0000000000%240 244

M3,930,621,65911591.0682.340.0000150374%288 292287

M3,8537582.24142.4715.1112899040%240 244

M150,5519572.26101.240.3801097303%240 244

M9476947.00374.80100.0000000000%240 244

M2,612,650,69310542.9879.880.0000207828%286 290281

M9915991.00453.7699.9999700798%240 244

M8776877.00353.53100.0000000000%240 244

M9,100,91911521.5180.160.0057302455%264 268

M1,09351,093.00571.52100.0000000000%240 244

M8276827.00306.1699.9999631114%240 244

M7977797.00279.7299.9998991982%240 244

M2,621,856,54110516.4078.960.0000196960%286 290283

M1,4896512.26176.0034.4030221625%240 244
M1,18761,187.00676.15100.0000000000%240 244

M3,273,488,57310508.3878.040.0000155302%287 291284

M757,6519506.5583.830.0668572997%240 244

M1,708,426,29710503.6972.860.0000294827%284 288280

M2,08772,087.001,587.52100.0000000000%240 244

M7,508,98111495.9480.000.0066046378%263 267

M2,680,080,50310493.9672.070.0000184309%286 290285

M401,9577489.7992.700.1218513423%240 244

M3,278,329,2119489.5475.160.0000149326%287 291279
M599,8039485.15101.230.0808842237%240 244
M2,622,903,6839480.2873.430.0000183110%286 290278
M1,253,228,9479479.5670.470.0000382661%283 287279

M12,4217478.73142.923.8542307383%240 244

M3,9116475.57151.4212.1597545385%240 244
M8,7136473.71121.625.4368185470%240 244
M7736773.00300.0399.9999605384%240 244

M2,444,875,8839472.3879.570.0000193211%286 290280
M726,064,7639471.7174.850.0000649686%280 284

M5,1535471.39119.439.1478944304%240 244

M35,4236469.23120.271.3246562968%240 244

M736,647,0719463.9572.470.0000629816%280 284
M2,578,897,0019462.2677.170.0000179246%286 290279

M2,956,453,4278461.4564.030.0000156082%287 291275

M1,702,917,1039459.9072.900.0000270068%284 288281

M229,7118459.11107.550.1998641772%240 244
M473,2198457.8277.730.0967459041%240 244

M1,18151,181.00724.1499.9999662162%240 244
M71,9335456.04131.550.6339718905%240 244

M20,4798455.78113.222.2255920699%240 244

M9,90179,901.009,445.55100.0000000000%240 244

M2,78962,790.032,335.32100.0000000000%240 244

M1,01951,019.00566.69100.0000000000%240 244
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