is 2 86613523 - 1
has 26073269 decimal digits
takes 278.968 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
Actual276176.692964.4737 %7000007000003.26911.4425 %179.962064.9861 %
Target27588.345464.0000 %5500009500000026.60103.9533 %114.946465.4232 %
Difference+1+88.3475+0.4737 %+150000-94300000-23.3319-2.5108 %+65.0156-0.4370 %

Known prime factors (1 factor, 80.8 bits, 0.00009331% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
8661352321292278932785742713052892580.81712291544204238028
22 × 3 × 15139 × 160639 × 421189
2018-03-281606394211894,875.90.81651.5268

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2018-03-28Oliver KruseHalfPM1-370000070000012580.8173.2691.619%


Trial Factoring results:
5758596061626364656667686970717273747576
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-10-24Michael CManual testing2642650.043
2010-11-29Michael CManual testing2652670.259
2013-02-28The.Lord.Of.MuffinBuero-12672680.345
2013-03-01Florimond C.dema272682690.690
2013-03-02Freaks32Manual testing2692701.380
2013-11-14SMoffatManual testing2702712.761
2017-04-26Strolling JellyfishManual testing27127316.57
2017-05-19ANONYMOUSManual testing27327422.09
2018-01-26Brian BeuningManual testing27427544.17
2018-02-13Strolling JellyfishManual testing27527688.35


ECM factoring results:
No ECM results for M86613523


Lucas-Lehmer results:
No L-L results for M86613523


PRP results:
No PRP results for M86613523


CERT results:
No CERT results for M86613523


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
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