is 2 1120157 - 1
has 337201 decimal digits
takes 0.033 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L82B9E1D4652E1FCEdouble-checked
PRP7BAFE2B03DECC04EPRP-tested

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual271426.795870.4225%11201571248241995029.27289.2715%456.068673.1648%2.7423%
PrimeNet2560.008662.5000%4500700000.00032.0814%0.008963.2805%0.7805%
GPU722600.137165.0000%4500220000.00020.6867%0.137365.2404%0.2404%
Difference+11+426.6587+5.4225%+1115657+12482397950+29.2725+8.5847%+455.9312+7.9244%+2.5019%

Known prime factors (1 factor, 127.4 bits, 0.01137060% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
112015721966685814788141140368138941006446635339127.36998051816909540989077281751312568
23 × 7 × 11 × 107 × 163 × 18013 × 120413 × 416291 × 10107578057
2022-11-10416291101075780571.566e+1123.68444.203

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2002-03-16T00:00:00Jocelyn Larouchev4_computers10000100000---0.001--0.249%
2013-09-26T20:47:00David Campeaui5-2500k3650000131400000---0.456--6.020%
2022-10-19T12:11:19Wentao HuangBiolake1120001709822730---4.008--4.845%
2022-11-10T10:24:32Jocelyn LaroucheManual testing11201571248241995039127.36929.270.06658.559.271%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1999-07-12T00:00:00ANONYMOUSv4_computers21256--0.009--
2001-11-24T00:00:00ANONYMOUSv4_computers21257--0.017--
2003-04-27T00:00:00ANONYMOUSv4_computers21258--0.034--
2016-02-23T16:28:22Mark RoseManual testing258260--0.103--
2009-02-19T23:51:00Sturle Sundegorky.ifi260261--0.137--
2011-10-14T16:56:00Sebastian HornbostelManual testing261262--0.274--
2012-10-13T12:00:00dbaughManual testing262263--0.876--
2014-12-23T20:51:00Matthias WurtingerManual testing263264--1.753--
2015-01-03T05:47:00Matthias WurtingerManual testing264265--3.336--
2015-06-11T05:48:00omylistManual testing265266--6.671--
2016-02-12T10:12:04ramgeisManual testing266267--13.34--
2016-02-12T10:12:04ramgeisManual testing267268--26.68--
2016-02-12T10:12:04ramgeisManual testing268269--53.37--
2016-02-12T10:12:04ramgeisManual testing269270--106.7--
2016-02-12T10:12:04ramgeisManual testing270271--213.5--


ECM factoring results:
Total ECM effort:17.679 GHz-days
Estimated T-Level:25.658
DigitsB1CompleteFacMiss
201100014.8080.000%
25500001.62019.795%
302500000.13287.678%
3510000000.00999.129%


ECM Summary

B1B2factorcurvesGHz-days
5000050000002819.92
25000025000000447.763


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2015-11-11T15:34:22MadPooManual testing82B9E1D4652E1FCE0.033


PRP results:
dateuseridcompidcofactorsres64PRP
2020-11-05T09:57:37Ethan O'ConnorHighland20207BAFE2B03DECC04Eno
2022-11-11T10:37:47JackBlockWin10
219666858147881411403681389410064466353
7BAFE2B03DECC04Eno


P-1 factor-bounds graph:
B1 = 1120157, B2 = 12482419950 (P-1 stage 2)
B1 = 112000, B2 = 1709822730 (P-1 stage 2)
B1 = 3650000, B2 = 131400000 (P-1 stage 2)
B1 = 3650000 (P-1 stage 1)
B1 = 1120157 (P-1 stage 1)
B1 = 112000 (P-1 stage 1)
B1 = 10000, B2 = 100000 (P-1 stage 2)
B1 = 10000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2022-11-11T10:37:47+00:00