is 2 92619341 - 1
has 27881200 decimal digits
takes 335.488 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual277330.472764.9351 %710000133125007.33543.1580 %337.808166.0424 %
Target27582.616764.0000 %60000011000000034.45684.1445 %117.073565.4920 %
Difference+2+247.8560+0.9351 %+110000-96687500-27.1214-0.9865 %+220.7346+0.5504 %

Known prime factors (1 factor, 79.2 bits, 0.00008554% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
926193417072452622989271370622972479.2273818021455685628
22 × 32 × 103 × 251099 × 4100659
2019-11-2125109941006591,321.92.42042.6840

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2019-11-21MarkSlaptop6471000013312500622479.2277.3353.839%


Trial Factoring results:
575859606162636465666768697071727374757677
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2011-01-07Architects Cubedm1_132642650.040
2013-07-15David CampeauManual testing2652660.081
2014-02-05Preben SManual testing2662670.161
2014-04-07hkskypManual testing2672680.323
2014-04-07hkskypManual testing2682690.645
2014-04-07hkskypManual testing2692701.291
2014-11-21shaugeManual testing2702712.582
2018-05-01Andrew LuebkeManual testing2712725.164
2019-01-22DerekManual testing27227310.33
2019-03-15TravisJankManual testing27327420.65
2019-06-10ixfd64Manual testing27427541.31
2019-06-14Strolling JellyfishManual testing27527682.62
2019-07-22Kevin JagetManual testing276277165.2


ECM factoring results:
No ECM results for M92619341


Lucas-Lehmer results:
No L-L results for M92619341


PRP results:
No PRP results for M92619341


CERT results:
No CERT results for M92619341


P-1 factor-bounds graph:
B1 = 710000, B2 = 13312500 (P-1 stage 2)
B1 = 710000 (P-1 stage 1)
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108
TF factor-bounds graph:
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275
274
273
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270
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265
this exponent TF target: 75
TF double-checked to: 67
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Last modified: 2024-03-03T02:29:32+00:00