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

Known
Factors
Exponent
Count
589,640
Exponent # Known FactorsSum Bitsize of Known Factors Largest factor (bits) % Known PrimeNetGPU72actual
M1135113.0049.92100.0000000000%240 244
M1515151.0082.59100.0000000000%240 244
M1635163.0064.97100.0000000000%240 244
M1915191.0066.24100.0000000000%240 244
M2515251.0083.3299.9998763947%240 244
M3075307.00186.1999.9999031589%240 244
M3375337.00225.5599.9999691338%240 244
M3675367.00183.69100.0000000000%240 244
M3835383.00127.50100.0000000000%240 244
M4195419.00154.39100.0000000000%240 244
M4495449.00195.8399.9999109553%240 244
M5415541.00241.15100.0000000000%240 244
M5575557.00334.8699.9998564797%240 244
M5695569.00285.8199.9999662429%240 244
M6615661.00382.86100.0000000000%240 244
M6775677.00322.44100.0000000000%240 244
M6915691.00403.1599.9999858674%240 244
M7615761.00399.7199.9998683864%240 244
M8215821.00483.7499.9999887185%240 244
M8395839.00612.4399.9999405880%240 244
M8535853.00437.87100.0000000000%240 244
M8635863.00454.8899.9999898634%240 244
M8875887.00455.0799.9999772013%240 244
M9295929.00508.1499.9999574035%240 244
M9375937.00508.3399.9999145125%240 244
M9675967.00727.40100.0000000000%240 244
M9915991.00453.7699.9999700798%240 244
M1,01951,019.00566.69100.0000000000%240 244
M1,02151,021.00770.2199.9999415600%240 244
M1,03351,033.00697.41100.0000000000%240 244
M1,09351,093.00571.52100.0000000000%240 244
M1,18151,181.00724.1499.9999662162%240 244
M1,32151,321.001,111.98100.0000000000%240 244
M1,3675123.2654.729.0166788588%240 244
M1,4335153.0352.7710.6791346825%240 244
M1,4395179.7695.8312.4919388464%240 244
M1,5235358.03151.5723.5083388050%240 244
M1,69351,693.001,345.9199.9999706600%240 244
M1,7235229.8199.3013.3375507835%240 244
M1,7775418.86131.1623.5711873945%240 244
M1,9995418.07130.4320.9137568784%240 244
M2,0395385.50173.1118.9063756744%240 244
M2,06952,069.001,878.8499.9999900777%240 244
M2,25152,251.002,038.50100.0000000000%240 244
M2,4115214.7590.758.9070095396%240 244
M2,5515272.5078.5610.6820854567%240 244
M2,5935214.3782.058.2671037408%240 244
M2,8435403.99136.6014.2100246219%240 244
M2,9035271.9287.529.3669996555%240 244
M2,90952,909.002,700.98100.0000000000%240 244
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