is 2 86084941 - 1
has 25914150 decimal digits
takes 277.265 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
Actual276177.777864.4737 %7000007000003.26911.4411 %181.047064.9857 %
Target27588.887964.0000 %5500009500000026.60103.9503 %115.488965.4221 %
Difference+1+88.8899+0.4737 %+150000-94300000-23.3319-2.5092 %+65.5581-0.4364 %

Known prime factors (1 factor, 86.3 bits, 0.00010030% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
86084941981827974722437446389521512686.344570266973129735575
52 × 92173 × 403649 × 613099
2018-03-18403649613099188,1541.93843.8366

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2018-03-18TheJudgerManual testing70000070000012686.3443.6771.618%


Trial Factoring results:
5758596061626364656667686970717273747576
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-11-20Architects Cubedm1_832642650.043
2011-01-20Michael CManual testing2652660.087
2013-02-28Freaks32Manual testing2662670.174
2013-03-08Freaks32Manual testing2672680.347
2013-03-11g0bManual testing2682690.694
2013-03-11jack731Manual testing2692701.389
2013-06-18ANONYMOUS2702712.778
2017-03-26Judge HaleManual testing27127316.67
2017-05-24ANONYMOUSManual testing27327422.22
2017-11-16Brian BeuningManual testing27427544.45
2017-12-03TheJudgerManual testing27527688.89


ECM factoring results:
No ECM results for M86084941


Lucas-Lehmer results:
No L-L results for M86084941


PRP results:
No PRP results for M86084941


CERT results:
No CERT results for M86084941


P-1 factor-bounds graph:
B1 = 700000 (P-1 stage 1)
104
105
106
104
105
106
TF factor-bounds graph:
276
275
274
273
271
270
269
268
267
266
265
this exponent TF target: 75
TF double-checked to: 67
250
260
270
280
290
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Last modified: 2024-03-13T02:15:48+00:00