is 2 168374303 - 1
has 50685716 decimal digits
takes 1,145.881 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- L-L tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual278363.573964.1026%10000004000000030.83603.9980%394.409965.5377%1.4352%
PrimeNet27422.722462.1622%7000004000000028.03685.5275%50.759264.2536%2.0915%
GPU72278363.573964.1026%10000004000000030.83603.9980%394.409965.5377%1.4352%
Difference----------

Known prime factors:
No known factors for M168,374,303

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2021-03-05T01:16:58Tucker Kao1000000400000006---30.84--3.998%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-07-07T22:22:00Mr-Plonklinux-i7-920263264--0.012--
2011-02-16T21:37:00dsls2264265--0.022--
2013-03-23T12:55:00sasaki3mate_ma1265266--0.044--
2015-06-05T02:43:00vwflat4j-laptop266267--0.089--
2016-03-31T14:12:25XZTManual testing267268--0.178--
2017-04-28T02:13:55Andrew BManual testing268269--0.355--
2018-02-20T11:00:22ZenghuiManual testing269270--0.710--
2018-02-20T16:21:05ZenghuiManual testing269270--0.710--
2018-03-19T08:09:58Ruediger EckhardManual testing270271--1.420--
2018-02-27T05:32:32ZenghuiManual testing270271--1.420--
2018-03-19T08:09:58Ruediger EckhardManual testing271272--2.840--
2018-03-19T08:09:58Ruediger EckhardManual testing272273--5.681--
2021-02-24T05:44:30Tucker KaoManual testing273274--11.36--
2021-02-24T05:44:30Tucker KaoManual testing274275--22.72--
2021-02-24T09:27:01Tucker KaoManual testing275276--45.45--
2021-02-24T22:50:40Tucker KaoManual testing276277--90.89--
2021-05-06T00:21:14Tucker KaoManual testing277278--181.8--


ECM factoring results:
Exponent "168374303" not found


Lucas-Lehmer results:
Exponent "168374303" not found


PRP results:
Exponent "168374303" not found


P-1 factor-bounds graph:
B1 = 1000000, B2 = 40000000 (P-1 stage 2)
B1 = 1000000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2021-05-06T00:21:14+00:00