is 2 85616059 - 1
has 25773002 decimal digits
takes 275.755 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
Actual276178.751464.4737 %690000136275006.51433.4544 %185.265865.7009 %
Target27589.374764.0000 %5500009500000026.60103.9476 %115.975765.4212 %
Difference+1+89.3768+0.4737 %+140000-81372500-20.0867-0.4933 %+69.2901+0.2797 %

Known prime factors (1 factor, 85.7 bits, 0.00010005% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
85616059609217789513602481984538872685.655355784765515545677
101 × 461 × 1481 × 2963 × 1741319
2018-01-2229631741319125,1390.45620.8275

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2018-01-22Oliver KruseHTC0690000136275001222685.6556.5143.807%


Trial Factoring results:
5758596061626364656667686970717273747576
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-11-27Architects Cubedm1_472642650.044
2012-08-23america64Manual testing2652660.087
2013-02-24Todd WalkeBigBlackIvy2662670.175
2013-02-26Todd WalkeBigBlackIvy2672680.349
2013-08-19ebravicktpgdqpsrv0002682690.698
2014-02-25StevenPGreen2692701.397
2014-08-27HBendtzManual testing2702712.793
2017-03-10garoManual testing27127316.76
2017-04-28ANONYMOUSManual testing27327422.34
2017-09-27Brian BeuningManual testing27427544.69
2017-10-01TheJudgerManual testing27527689.38


ECM factoring results:
No ECM results for M85616059


Lucas-Lehmer results:
No L-L results for M85616059


PRP results:
No PRP results for M85616059


CERT results:
No CERT results for M85616059


P-1 factor-bounds graph:
B1 = 690000, B2 = 13627500 (P-1 stage 2)
B1 = 690000 (P-1 stage 1)
102
103
104
105
106
102
103
104
105
106
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108
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
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Last modified: 2024-03-13T02:15:48+00:00