is 2 95607181 - 1
has 28780630 decimal digits
takes 346.310 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
Actual27320.007363.0137 %9400002279500011.19105.3135 %31.198364.9790 %
Target27580.034964.0000 %65000011000000034.70514.2037 %114.739965.5133 %
Difference-2-60.0275-0.9863 %+290000-87205000-23.5140+1.1098%-83.5416-0.5344 %

Known prime factors (2 factors, 163.7 bits, 0.00017119% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
956071816238455851353806945764892479.0463262545650913924
22 × 3 × 1481 × 53129 × 3455323
2019-09-035312934553231,320.51.25261.8467
95607181298274416674468915440748072684.625155989546786485063
34 × 8467 × 54541 × 4170209
2019-09-0354541417020976,1301.46422.2288

1 Composite Factors:
P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2019-09-03Ryan PropperManual testing940000227950006250163.67011.194.422%


Trial Factoring results:
57585960616263646566676869707172737475
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2011-01-18Architects Cubedm1_762642650.039
2014-02-20Carsten KossendeyManual testing2652680.547
2014-05-15technobuffaloskyle-server2682690.625
2014-05-22RMAC9.5HP-Lisa-a1632x2692701.251
2014-09-29munsun_jangstar2702712.501
2018-12-23FredrikManual testing27127315.01


ECM factoring results:
No ECM results for M95607181


Lucas-Lehmer results:
No L-L results for M95607181


PRP results:
No PRP results for M95607181


CERT results:
No CERT results for M95607181


P-1 factor-bounds graph:
B1 = 940000, B2 = 22795000 (P-1 stage 2)
B1 = 940000 (P-1 stage 1)
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108
TF factor-bounds graph:
273
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265
this exponent TF target: 75
TF double-checked to: 67
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Last modified: 2024-03-13T02:15:48+00:00