is 2 143000677 - 1
has 43047494 decimal digits
takes 796.434 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
Actual27426.754262.1622 %14650004504875031.00715.9836 %57.761364.4262 %
Target277214.042163.6364 %90000017000000081.66984.1238 %295.711965.1359 %
Difference-3-187.2879-1.4742 %+565000-124951250-50.6626+1.8598%-237.9506-0.7097 %

Known prime factors (1 factor, 80.3 bits, 0.00005614% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
14300067714697108939148370719363132580.2825138824950859628
22 × 72 × 37 × 48673 × 14558543
2019-11-1248673145585431,712.36.777211.964

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2019-11-12timbitManual testing146500045048750622580.28231.014.593%


Trial Factoring results:
575859606162636465666768697071727374757677
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-12-22Richardsvn_022642650.026
2012-12-12AKAxAutoI7-3930k2652660.052
2015-02-25tscjhc2662670.105
2016-03-31dbaughManual testing2672680.209
2016-04-10n9Mtq4Manual testing2682690.418
2016-04-12vats09Manual testing2692700.836
2016-04-12vats09Manual testing2702711.672
2016-04-12vats09Manual testing2712723.344
2016-04-12vats09Manual testing2722736.689
2016-04-12vats09Manual testing27327413.38


ECM factoring results:
No ECM results for M143000677


Lucas-Lehmer results:
No L-L results for M143000677


PRP results:
No PRP results for M143000677


CERT results:
No CERT results for M143000677


P-1 factor-bounds graph:
B1 = 1465000, B2 = 45048750 (P-1 stage 2)
B1 = 1465000 (P-1 stage 1)
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108
TF factor-bounds graph:
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271
270
269
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265
this exponent TF target: 77
TF double-checked to: 67
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Last modified: 2024-03-13T02:15:48+00:00