is 2 139999609 - 1
has 42144082 decimal digits
takes 779.720 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
Actual2726.831061.1111 %1430000143000011.54823.1540 %18.379262.3377 %
Target277218.630463.6364 %90000016000000077.26994.0681 %295.900365.1157 %
Difference-5-211.7994-2.5253 %+530000-158570000-65.7217-0.9141 %-277.5211-2.7780 %

Known prime factors (1 factor, 78.5 bits, 0.00005610% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
1399996094393648972951077504765372478.5401569164729935452
22 × 3 × 13 × 312 × 97 × 223 × 673 × 719
2019-05-21961961688.260.00780.0158

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2019-05-21timbitManual testing1430000143000012478.54012.101.865%


Trial Factoring results:
575859606162636465666768697071727374757677
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-06-14xiaowuc1eight2632640.014
2010-12-09Paolocampa2642650.027
2012-11-26sasaki3mate_ma22652660.053
2015-02-12taffazetze2662670.107
2015-03-07el groccoManual testing2672680.214
2016-02-25Josh FamestadManual testing2682690.427
2021-05-29ViliamFManual testing268269
2016-03-15guruManual testing2692700.854
2016-03-15guruManual testing2702711.708
2016-03-21Smok_bmvManual testing2712723.416


ECM factoring results:
No ECM results for M139999609


Lucas-Lehmer results:
No L-L results for M139999609


PRP results:
No PRP results for M139999609


CERT results:
No CERT results for M139999609


P-1 factor-bounds graph:
B1 = 1430000 (P-1 stage 1)
101
102
103
104
105
106
107
101
102
103
104
105
106
107
TF factor-bounds graph:
272
271
270
269
268
267
266
265
264
this exponent TF target: 77
TF double-checked to: 67
250
260
270
280
JSON version of this page
Last modified: 2024-03-13T02:15:48+00:00