is 2 82716607 - 1
has 24900180 decimal digits
takes 258.116 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
Actual27592.507564.0000 %7000007000003.16731.6081 %95.674864.5789 %
Target27592.507564.0000 %5500009000000024.53973.8907 %117.047265.4007 %
Difference---+150000-89300000-21.3724-2.2826 %-21.3724-0.8217 %

Known prime factors (1 factor, 79.8 bits, 0.00009644% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
8271660710335832681435946108880732579.7746247737338546748
22 × 3 × 11 × 2269 × 55337 × 376963
2017-09-08553373769632,283.70.32970.5096

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2017-09-08monstbass70000070000012579.7743.1671.608%


Trial Factoring results:
57585960616263646566676869707172737475
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-12-02Architects Cubedm1_542642650.045
2011-04-09KarlMJManual testing2652660.090
2013-01-29ANONYMOUS2662670.181
2013-02-03]mh[ Virtekwork32672680.361
2013-02-13sqlwaldorfsilvester2682690.723
2013-02-22frolyar2692701.445
2013-11-07SMoffatManual testing2702712.891
2014-02-13SRS TechnologyManual testing2712725.782
2016-11-25Judge HaleManual testing27227311.56
2016-12-19tigreroarsManual testing27327569.38


ECM factoring results:
No ECM results for M82716607


Lucas-Lehmer results:
No L-L results for M82716607


PRP results:
No PRP results for M82716607


CERT results:
No CERT results for M82716607


P-1 factor-bounds graph:
B1 = 700000 (P-1 stage 1)
103
104
105
106
103
104
105
106
TF factor-bounds graph:
275
273
272
271
270
269
268
267
266
265
this exponent TF target: 75
TF double-checked to: 67
250
260
270
280
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Last modified: 2024-03-13T02:15:48+00:00