is 2 108377359 - 1
has 32624836 decimal digits
takes 475.656 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-
PRPB54C58DB8EB06B__verified PRP

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual277282.422164.9351%1000000300588750110.23805.7262%392.660166.9429%2.0079%
PrimeNet2728.824162.5000%4500002400000011.02915.4978%19.853264.5617%2.0617%
GPU72276141.210364.4737%7000002400000012.53343.9809%153.743665.8880%1.4143%
Difference+1+141.2119+0.4614%+300000+276588750+97.7046+1.7453%+238.9165+1.0550%+1.0550%

Known prime factors:
No known factors for M108377359

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2022-01-04T07:43:42Anton Repkotethys1000000300588750---110.2--5.726%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-04-26T20:29:00sasaki3MATE_J2263264--0.018--
2010-09-10T08:19:00CommasterCore-i7264265--0.034--
2012-05-21T06:19:00sannerud.comJens2010265266--0.069--
2013-10-22T16:55:00f_rijkaard-1984Ricardo266267--0.138--
2014-08-25T07:28:00g0bManual testing267268--0.276--
2014-10-31T16:43:00shaugeManual testing268269--0.552--
2014-10-31T16:43:00shaugeManual testing269270--1.103--
2014-10-31T16:43:00shaugeManual testing270271--2.206--
2015-02-05T04:37:00JakeWManual testing271272--4.413--
2019-10-16T09:17:26Niels_Mache_NextcloudManual testing272273--8.826--
2019-10-16T09:17:26Niels_Mache_NextcloudManual testing273274--17.65--
2021-04-18T20:48:11TheJudgerManual testing274275--35.30--
2021-04-18T20:48:11TheJudgerManual testing275276--70.61--
2022-01-04T07:43:29Anton RepkoManual testing276277--141.2--


ECM factoring results:
No ECM results for M108377359


Lucas-Lehmer results:
No L-L results for M108377359


PRP results:
dateuseridcompidcofactorsres64PRP
2022-01-05T22:09:07Ben Deloi-052ff5c546118eb90B54C58DB8EB06B__no


P-1 factor-bounds graph:
B1 = 1000000, B2 = 300588750 (P-1 stage 2)
B1 = 1000000 (P-1 stage 1)
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108
109
1010
TF factor-bounds graph:
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2100
Last modified: 2022-01-05T22:09:07+00:00