is 2 85440601 - 1
has 25720184 decimal digits
takes 275.190 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
Actual276179.118564.4737 %685000133575006.42363.4361 %185.542165.6944 %
Target27589.558264.0000 %5500009500000026.60103.9466 %116.159265.4208 %
Difference+1+89.5603+0.4737 %+135000-81642500-20.1775-0.5106 %+69.3828+0.2736 %

Known prime factors (1 factor, 81.0 bits, 0.00009485% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
8544060124900966713763270618018472581.04214572092437507123
137 × 2281 × 8837 × 5276807
2018-01-148837527680711,3431.38172.5077

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2018-01-14AvoGateKeeper685000133575001222581.0426.4243.788%


Trial Factoring results:
5758596061626364656667686970717273747576
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-11-26Architects Cubedm1_542642650.044
2013-03-08Freaks32Manual testing2652660.087
2013-06-17Lukin DmitryManual testing2662670.175
2013-08-16RobishManual testing2672691.050
2013-08-18RobishManual testing2692701.399
2014-03-08ITSCP_-_HP338770972932702712.799
2017-02-20Judge HaleManual testing27127316.79
2017-04-21ANONYMOUSManual testing27327422.39
2017-09-03TheJudgerManual testing274276134.3


ECM factoring results:
No ECM results for M85440601


Lucas-Lehmer results:
No L-L results for M85440601


PRP results:
No PRP results for M85440601


CERT results:
No CERT results for M85440601


P-1 factor-bounds graph:
B1 = 685000, B2 = 13357500 (P-1 stage 2)
B1 = 685000 (P-1 stage 1)
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105
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102
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104
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108
TF factor-bounds graph:
276
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273
271
270
269
267
266
265
this exponent TF target: 75
TF double-checked to: 67
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Last modified: 2024-03-13T02:15:48+00:00