is 2 79607383 - 1
has 23964211 decimal digits
takes 248.414 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
Actual27596.120664.0000 %670000123950005.92203.6880 %102.042665.3277 %
Target27596.120664.0000 %5000008500000023.09323.7805 %119.213765.3610 %
Difference---+170000-72605000-17.1712-0.0925 %-17.1712-0.0333 %

Known prime factors (1 factor, 85.6 bits, 0.00010753% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
79607383586688475162348583307063212685.601368488733741158520
23 × 5 × 72 × 433 × 56591 × 7672429
2016-10-26565917672429190,8942.13353.5326

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2016-10-26ixfd64us-sjc1-55966700001239500022685.6015.9223.688%


Trial Factoring results:
57585960616263646566676869707172737475
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2009-05-27Architects Cubedm1_tt2632640.025
2010-11-29Architects Cubeda3_bu22642650.047
2011-01-22LingUaanManual testing2652660.094
2011-01-23ANONYMOUS2662670.188
2011-01-27mtlmleppane.iki.fi2672680.375
2011-01-28Michael CManual testing2682690.751
2011-02-11RMAC9.5AMD-X2-64002692701.502
2013-01-20SMoffatManual testing2702713.004
2016-02-27RichD0Manual testing2712726.008
2016-09-20RichD0Manual testing27227312.02
2016-10-03hiner112Manual testing27327572.09


ECM factoring results:
No ECM results for M79607383


Lucas-Lehmer results:
No L-L results for M79607383


PRP results:
No PRP results for M79607383


CERT results:
No CERT results for M79607383


P-1 factor-bounds graph:
B1 = 670000, B2 = 12395000 (P-1 stage 2)
B1 = 670000 (P-1 stage 1)
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108
TF factor-bounds graph:
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this exponent TF target: 75
TF double-checked to: 67
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Last modified: 2024-03-13T02:15:48+00:00