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Mersenne numbers P-1 factors that should have already been found but were missed:
14,072 exponents (21,117 factors) like this known
Exponent range: M to M
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ExponentFactor BitsAssignment
M334,965,08313130631253736.9341Factor=334965083,36,37
Pminus1=1,2,334965083,-1,50000,50000,36
1875804464934.1268Factor=334965083,34,35
Pminus1=1,2,334965083,-1,50000,50000,34
440814049228142.0033Factor=334965083,42,43
Pminus1=1,2,334965083,-1,50000,50000,42
63173141786484749.1663Factor=334965083,49,50
Pminus1=1,2,334965083,-1,50000,50000,49
66993016729.3194Factor=334965083,29,30
Pminus1=1,2,334965083,-1,50000,50000,29
7034266743136.0337Factor=334965083,36,37
Pminus1=1,2,334965083,-1,50000,50000,36
870909215933.0199Factor=334965083,33,34
Pminus1=1,2,334965083,-1,50000,50000,33
9061860769147483356.3307Factor=334965083,56,57
Pminus1=1,2,334965083,-1,50000,50000,56
M332,308,9135067640486963475884185775.4237Factor=332308913,75,76
Pminus1=1,2,332308913,-1,3355000,98133750,75
M300,000,91749766929270861963096164778.7195Factor=300000917,78,79
Pminus1=1,2,300000917,-1,2945000,83932500,78
M201,265,6431328353243933.6289Factor=201265643,33,34
Pminus1=1,2,201265643,-1,500,500,33
M177,504,629142003703330.4033Factor=177504629,30,31
Pminus1=1,2,177504629,-1,60000,100000,30
674517590332.6512Factor=177504629,32,33
Pminus1=1,2,177504629,-1,60000,100000,32
116301032920940.0810Factor=177504629,40,41
Pminus1=1,2,177504629,-1,60000,100000,40
22152577699337.6887Factor=177504629,37,38
Pminus1=1,2,177504629,-1,60000,100000,37
364488005188741.7290Factor=177504629,41,42
Pminus1=1,2,177504629,-1,60000,100000,41
45591389441059948.6958Factor=177504629,48,49
Pminus1=1,2,177504629,-1,60000,100000,48
173355422796199350.6227Factor=177504629,50,51
Pminus1=1,2,177504629,-1,60000,100000,50
1628624532085115953.8545Factor=177504629,53,54
Pminus1=1,2,177504629,-1,60000,100000,53
M69,831,649688551829924138538103172.5441Factor=69831649,72,73
Pminus1=1,2,69831649,-1,730000,16972500,72
M69,100,037355250696734704021191371.5893Factor=69100037,71,72
Pminus1=1,2,69100037,-1,835000,37366250,71
M69,099,97341459983928.6271Factor=69099973,28,29
Pminus1=1,2,69099973,-1,10000,100000,28
853287926587942.9562Factor=69099973,42,43
Pminus1=1,2,69099973,-1,10000,100000,42
1480992081319943.7516Factor=69099973,43,44
Pminus1=1,2,69099973,-1,10000,100000,43
M69,084,8871077405974782809028651373.1900Factor=69084887,73,74
Pminus1=1,2,69084887,-1,715000,16623750,73
M69,045,623461397026040080666300971.9665Factor=69045623,71,72
Pminus1=1,2,69045623,-1,755000,755000,71
M67,696,8591028992256933.2605Factor=67696859,33,34
Pminus1=1,2,67696859,-1,100000,300000,33
1353937180133.6564Factor=67696859,33,34
Pminus1=1,2,67696859,-1,100000,300000,33
13539371927.0126Factor=67696859,27,28
Pminus1=1,2,67696859,-1,100000,300000,27
19400728324681747.4631Factor=67696859,47,48
Pminus1=1,2,67696859,-1,100000,300000,47
20878036260523347.5690Factor=67696859,47,48
Pminus1=1,2,67696859,-1,100000,300000,47
43109359811338.6492Factor=67696859,38,39
Pminus1=1,2,67696859,-1,100000,300000,38
152890499244050350.4414Factor=67696859,50,51
Pminus1=1,2,67696859,-1,100000,300000,50
M67,072,151394055559874578874732771.7389Factor=67072151,71,72
Pminus1=1,2,67072151,-1,725000,16131250,71
M67,049,243321785369452915746223971.4466Factor=67049243,71,72
Pminus1=1,2,67049243,-1,730000,18250000,71
M64,943,257524124863140914834084772.1504Factor=64943257,72,73
Pminus1=1,2,64943257,-1,660000,13695000,72
M61,640,0571484025138758689783363373.6519Factor=61640057,73,74
Pminus1=1,2,61640057,-1,585000,12138750,73
M60,647,801139375503934872123817770.2395Factor=60647801,70,71
Pminus1=1,2,60647801,-1,710000,710000,70
M60,593,04111244602058007946.6762Factor=60593041,46,47
Pminus1=1,2,60593041,-1,5000000,5000000,46
1987451744934.2102Factor=60593041,34,35
Pminus1=1,2,60593041,-1,5000000,5000000,34
220897990269741.0065Factor=60593041,41,42
Pminus1=1,2,60593041,-1,5000000,5000000,41
39717562870504748.4968Factor=60593041,48,49
Pminus1=1,2,60593041,-1,5000000,5000000,48
4946864341672945.4916Factor=60593041,45,46
Pminus1=1,2,60593041,-1,5000000,5000000,45
96948865729.8526Factor=60593041,29,30
Pminus1=1,2,60593041,-1,5000000,5000000,29
410244505448440951.8654Factor=60593041,51,52
Pminus1=1,2,60593041,-1,5000000,5000000,51
3437655049201336154.9323Factor=60593041,54,55
Pminus1=1,2,60593041,-1,5000000,5000000,54
M60,394,657174929698784530077475970.5673Factor=60394657,70,71
Pminus1=1,2,60394657,-1,710000,18282500,70
M60,326,809328103723762677302172171.4746Factor=60326809,71,72
Pminus1=1,2,60326809,-1,710000,19170000,71
M58,726,1334905902532924249333765.4112Factor=58726133,65,66
Pminus1=1,2,58726133,-1,735000,16537500,65
M58,020,869550041096624163801231172.2200Factor=58020869,72,73
Pminus1=1,2,58020869,-1,685000,18152500,72

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