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Mersenne numbers P-1 factors that should have already been found but were missed:
15,534 exponents (22,582 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
M82,001,239396134840773323739972171.7465Factor=82001239,71,72
Pminus1=1,2,82001239,-1,1145000,30915000,71
M78,074,3173254057484707897033584174.7847Factor=78074317,74,75
Pminus1=1,2,78074317,-1,755000,19630000,74
M77,092,7273065339896950359126440774.6985Factor=77092727,74,75
Pminus1=1,2,77092727,-1,720000,15120000,74
M75,054,5472586033828602980222816974.4532Factor=75054547,74,75
Pminus1=1,2,75054547,-1,690000,14490000,74
M70,070,9112763615755314373187840174.5490Factor=70070911,74,75
Pminus1=1,2,70070911,-1,640000,12960000,74
M69,831,649688551829924138538103172.5441Factor=69831649,72,73
Pminus1=1,2,69831649,-1,730000,16972500,72
M69,292,193117151740675561400601732131389.9204Factor=69292193,89,90
Pminus1=1,2,69292193,-1,715000,16087500,89
M69,249,1993106121941174391590116174.7175Factor=69249199,74,75
Pminus1=1,2,69249199,-1,765000,18933750,74
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
M67,245,7912187774178020235227729774.2119Factor=67245791,74,75
Pminus1=1,2,67245791,-1,610000,12200000,74
M67,182,4032668469906001504078375174.4984Factor=67182403,74,75
Pminus1=1,2,67182403,-1,605000,12402500,74
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
M65,692,78715745176449234120824767.0935Factor=65692787,67,68
Pminus1=1,2,65692787,-1,590000,11947500,67
M64,943,257524124863140914834084772.1504Factor=64943257,72,73
Pminus1=1,2,64943257,-1,660000,13695000,72
M62,717,6571183171916481102352687973.3251Factor=62717657,73,74
Pminus1=1,2,62717657,-1,595000,12346250,73
M62,282,6571874362851673881684203373.9888Factor=62282657,73,74
Pminus1=1,2,62282657,-1,595000,12197500,73
M61,640,0571484025138758689783363373.6519Factor=61640057,73,74
Pminus1=1,2,61640057,-1,585000,12138750,73
M61,435,4531028005365054630202476773.1223Factor=61435453,73,74
Pminus1=1,2,61435453,-1,585000,10730000,73

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