is 2 108066691 - 1
has 32531316 decimal digits
takes 443.224 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-
PRP315F9CCF33A23D__PRP-tested

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual276141.616264.4737%9060005374400022.50804.7469%164.124266.1601%1.6864%
PrimeNet2728.849562.5000%450000220000009.65865.4144%18.508064.5304%2.0304%
GPU72276141.616264.4737%7000002400000011.71233.9795%153.328565.8875%1.4138%
Difference---+206000+29744000+10.7957+0.7673%+10.7957+0.2726%+0.2726%

Known prime factors:
No known factors for M108066691

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2021-12-16T12:48:02Simon Josefssoncto1290600053744000---22.51--4.747%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-05-01T20:21:00RichardFX5000_1263264--0.018--
2010-09-09T10:13:00Charles A. Morrispulsar_8264265--0.035--
2012-05-20T06:06:00omiXorpLLB03-z800-19265266--0.069--
2013-09-22T11:00:00shengManual testing266267--0.138--
2013-09-26T22:55:00CSLatDDtmsm7-32267268--0.277--
2014-07-16T02:27:00SMoffatManual testing268269--0.553--
2014-07-18T02:23:00SMoffatManual testing269270--1.106--
2014-11-05T17:28:00ANONYMOUS270271--2.213--
2015-01-23T14:14:00Brandon VincentManual testing271272--4.426--
2019-12-01T21:55:56Niels_Mache_NextcloudManual testing272273--8.851--
2019-12-01T21:55:56Niels_Mache_NextcloudManual testing273274--17.70--
2021-04-17T22:02:08TheJudgerManual testing274275--35.40--
2021-04-17T22:02:08TheJudgerManual testing275276--70.81--


ECM factoring results:
No ECM results for M108066691


Lucas-Lehmer results:
No L-L results for M108066691


PRP results:
dateuseridcompidcofactorsres64PRP
2021-12-18T02:50:37Ben Deloi-097af4dc37ec121e5315F9CCF33A23D__no


P-1 factor-bounds graph:
B1 = 906000, B2 = 53744000 (P-1 stage 2)
B1 = 906000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2021-12-18T02:50:37+00:00