is 2 119128687 - 1
has 35861309 decimal digits
takes 550.143 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual277256.933664.9351 %6490005267067023.32474.1664 %280.258366.3960 %
Target276128.466164.4737 %80000014000000056.14084.2142 %184.606865.9708 %
Difference+1+128.4676+0.4614 %-151000-87329330-32.8161-0.0477 %+95.6515+0.4252 %

Known prime factors:
No known factors for M119128687

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2023-09-04Extremofiredhtrayner_team84264900052670670--25.644.577%


Trial Factoring results:
575859606162636465666768697071727374757677
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-05-18Richard2632640.016
2010-10-16sasaki3asort2642650.031
2012-07-21Mr-PlonkLinux-i72652660.063
2014-12-13sasakiMATE_J22662670.125
2015-04-13Judge HaleManual testing2672680.251
2015-04-13Judge HaleManual testing2682690.502
2015-04-13Judge HaleManual testing2692701.004
2015-04-25Mihai PredaManual testing2702712.007
2015-05-04Mihai PredaManual testing2712724.015
2020-11-13SRBaseManual testing2722738.029
2021-03-11Richard ThomasManual testing27327416.06
2021-05-25hktManual testing27427532.12
2021-07-07TheJudgerManual testing27527664.23
2022-01-27La GüiraManual testing276277128.5


ECM factoring results:
No ECM results for M119128687


Lucas-Lehmer results:
No L-L results for M119128687


PRP results:
No PRP results for M119128687


CERT results:
No CERT results for M119128687


P-1 factor-bounds graph:
B1 = 649000, B2 = 52670670 (P-1 stage 2)
B1 = 649000 (P-1 stage 1)
104
105
106
104
105
106
107
108
TF factor-bounds graph:
277
276
275
274
273
272
271
270
269
268
267
266
265
264
this exponent TF target: 76
TF double-checked to: 67
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Last modified: 2024-02-09T03:30:02+00:00