is 2 100957 - 1
has 30392 decimal digits
takes 0.000 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-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual267294.322574.6269%100000000065619702548401,155.037025.4567%1,449.359581.0860%6.4592%
PrimeNet2400.000057.5000%1100190000.00008.0779%0.000060.9331%3.4331%
GPU722440.000061.3636%1200180000.00004.1561%0.000062.9694%1.6058%
Difference+23+294.3225+13.2632%+999998800+6561970236840+1,155.0370+21.3006%+1,449.3595+18.1166%+4.8534%

Known prime factors (1 factor, 26.5 bits, 0.02623955% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
10095794293839826.491467
467
-14679.750e-118.503e-81.521e-7

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2016-10-31T18:44:45kkmrkkblmbrbkManual testing100000000200000000012-
skipped known factor: 94293839
--0.656--11.732%
2021-12-17T21:00:38Seth_TrManual testing10000000006561970254840-
skipped known factor: 94293839
--1,155--25.457%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2018-10-25T13:19:55J.R. AllenManual testing252257--0.184--
2022-04-13T17:48:13LordJuliusManual testing2125726.49189.75050e-110.0002.02368e-10
2018-11-02T23:29:50J.R. AllenManual testing257258--0.190--
2022-04-13T17:48:13LordJuliusManual testing257258--0.190--
2018-11-02T23:29:50J.R. AllenManual testing258259--0.380--
2022-04-13T17:48:13LordJuliusManual testing258259--0.380--
2018-11-02T23:29:50J.R. AllenManual testing259260--0.761--
2022-04-13T17:48:13LordJuliusManual testing259260--0.761--
2019-01-06T01:35:13GdSManual testing260261--1.521--
2022-04-13T17:48:13LordJuliusManual testing260261--1.521--
2022-04-13T17:48:13LordJuliusManual testing261262--3.043--
2022-11-03T23:52:35LordJuliusManual testing262263--9.72--
2022-11-03T23:52:35LordJuliusManual testing263264--19.45--
2022-11-03T23:52:35LordJuliusManual testing264265--37.01--
2022-11-04T04:11:34LordJuliusManual testing265266--74.02--
2022-11-04T04:11:34LordJuliusManual testing266267--148.0--


ECM factoring results:
Total ECM effort:12.736 GHz-days
Estimated T-Level:30.766
DigitsB1CompleteFacMiss
201100082.9900.000%
255000013.0390.000%
302500001.56121.003%
3510000000.15385.797%
4030000000.01398.726%


ECM Summary

B1B2factorcurvesGHz-days
5000050000002810.652
250000250000005856.791
10000001000000001145.293


Lucas-Lehmer results:
No L-L results for M100957


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-21T20:54:46Oliver KruseOliver-PC
94293839
936657E57C6A95__no
2017-09-21T21:56:42Oliver KruseManual testing
94293839
936657E57C6A95__no
2017-10-13T09:55:35kkmrkkblmbrbkManual testing
94293839
936657E57C6A95__no
2020-04-17T15:27:58Oliver KruseAddPrpType5
94293839
4D780056FE5DA0__no
2022-04-15T06:46:56LordJuliusWhiteBox
94293839
4D780056FE5DA07Fno


P-1 factor-bounds graph:
B1 = 1000000000, B2 = 6561970254840 (P-1 stage 2)
B1 = 1000000000 (P-1 stage 1)
B1 = 100000000, B2 = 2000000000 (P-1 stage 2)
B1 = 100000000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2022-11-04T04:11:34+00:00