is 2 119128871 - 1
has 35861364 decimal digits
takes 550.144 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
Actual277256.933264.9351%6490005267067023.32474.1664%280.257966.3960%
Target276128.465964.4737%80000014000000056.14084.2142%184.606665.9708%
Difference+1+128.4674+0.4614%-151000-87329330-32.8161-0.0477%+95.6513+0.4252%

Known prime factors:
No known factors for M119128871

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2023-09-03Extremofiredhtrayner_team84264900052670670---23.32--4.166%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2009-03-24Architects Cubedv4_computers260261--0.001--
2022-03-19LordJuliusManual testing261263--0.011--
2010-05-18RichardUNKNOWN263264--0.016--
2010-10-15sasaki3MATE_J264265--0.031--
2012-07-21sasaki3MATE_J2265266--0.063--
2014-12-12dhzjadhzja266267--0.125--
2015-04-13Judge HaleManual testing267268--0.251--
2015-04-13Judge HaleManual testing268269--0.502--
2015-04-13Judge HaleManual testing269270--1.004--
2015-04-25Mihai PredaManual testing270271--2.007--
2015-05-04Mihai PredaManual testing271272--4.015--
2020-10-23SRBaseManual testing272273--8.029--
2021-03-11Richard ThomasManual testing273274--16.06--
2021-05-24hktManual testing274275--32.12--
2021-07-07TheJudgerManual testing275276--64.23--
2022-01-27La GüiraManual testing276277--128.5--


ECM factoring results:
No ECM results for M119128871


Lucas-Lehmer results:
No L-L results for M119128871


PRP results:
No PRP results for M119128871


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
263
261
this exponent TF target: 76
TF double-checked to: 67.9
250
260
270
280
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Last modified: 2023-10-02T12:12:48+00:00