is 2 160367269 - 1
has 48275359 decimal digits
takes 1,052.410 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
Actual279763.455064.5570 %5000000150000000122.75165.4309 %886.206666.4818 %
Target278381.726964.1026 %1000000180000000102.31593.8995 %484.042965.5024 %
Difference+1+381.7280+0.4544 %+4000000-30000000+20.4356+1.5314%+402.1637+0.9794 %

Known prime factors (1 factor, 81.3 bits, 0.00005072% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
16036726930617359191014218789047292581.3419546012531713756
22 × 7 × 29 × 526571 × 22325903
2021-01-02526571223259035,867.016.31221.618

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2021-01-02Roland ClarksonManual testing500000015000000022581.341127.35.891%


Trial Factoring results:
5758596061626364656667686970717273747576777879
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-06-29Torchwood InstitutePH95002632640.012
2011-02-04Richardworkmy2642650.023
2013-02-22Olli Heikkilärapu2652660.047
2015-05-03gurus72662670.093
2016-03-04XZTManual testing2672680.186
2017-03-29La GüiraManual testing2682690.373
2017-03-29La GüiraManual testing2692700.746
2017-12-06Oliver KruseManual testing27027693.94
2021-01-01Roland ClarksonManual testing27627795.43
2021-01-01Roland ClarksonManual testing277278190.9
2021-01-01Roland ClarksonManual testing278279381.7


ECM factoring results:
No ECM results for M160367269


Lucas-Lehmer results:
No L-L results for M160367269


PRP results:
No PRP results for M160367269


CERT results:
No CERT results for M160367269


P-1 factor-bounds graph:
B1 = 5000000, B2 = 150000000 (P-1 stage 2)
B1 = 5000000 (P-1 stage 1)
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TF factor-bounds graph:
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269
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264
this exponent TF target: 78
TF double-checked to: 67
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JSON version of this page
Last modified: 2024-03-13T02:15:48+00:00