is 2 2310137 - 1
has 695421 decimal digits
takes 0.156 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L87C0C4C9002CC179double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual26951.679568.1159%60000001800000001.51648.2997%53.195970.7622%2.6463%
PrimeNet2580.016662.0690%100001900000.00192.9304%0.018663.1805%1.1115%
GPU722620.265964.5161%120002000000.00221.7390%0.268165.1332%0.6171%
Difference+7+51.4136+3.5998%+5988000+179800000+1.5142+6.5607%+52.9278+5.6290%+5.6290%

Known prime factors:
No known factors for M2310137

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2003-09-14T00:00:00ANONYMOUSv4_computers2048204800---0.001--0.185%
2010-02-15T08:04:00Budannan50000010000000---0.100--3.959%
2018-01-15T14:06:00Sid & AndyHand_In_The_Box600000018000000012---1.516--8.300%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2016-02-23T16:29:11Mark RoseManual testing21260--0.066--
2009-01-14T23:59:00Sturle Sundebakeng.ifi260261--0.066--
2012-05-23T07:42:00Sebastian HornbostelManual testing261262--0.133--
2013-01-23T08:26:00dbaughManual testing262263--0.425--
2015-03-03T21:35:00VictordeHollanderManual testing263264--0.850--
2015-03-03T21:35:00VictordeHollanderManual testing264265--1.617--
2015-10-22T10:17:24ramgeisManual testing265266--3.235--
2017-05-31T02:32:35Gordon SpenceManual testing266267--6.470--
2019-04-29T13:20:26TJAOIManual testing267268--12.94--
2021-07-12T19:28:28TJAOIManual testing268269--25.88--


ECM factoring results:

Old Calculation Method

Total ECM effort:16.026 GHz-days
Estimated T-Level:23.232
DigitsB1CurvesCompleteFacMiss
2011000181 / 1001.81016.217%
2550000181 / 2800.64652.331%

New Calculation Method

Total ECM effort:16.026 GHz-days
Estimated T-Level:23.232
DigitsB1CompleteFacMiss
20110006.9620.095%
25500000.64452.512%
302500000.04196.019%
3510000000.00299.810%


ECM Summary

B1B2factorcurvesGHz-days
50000500000018116.03


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
1999-04-23T00:00:00KH Sohv4_computers87C0C4C9002CC1790.156
2018-05-03T07:47:39kkmrkkblmbrbkold87C0C4C9002CC1790.156


PRP results:
No PRP results for M2310137


P-1 factor-bounds graph:
B1 = 6000000, B2 = 180000000 (P-1 stage 2)
B1 = 6000000 (P-1 stage 1)
B1 = 500000, B2 = 10000000 (P-1 stage 2)
B1 = 500000 (P-1 stage 1)
B1 = 2048, B2 = 204800 (P-1 stage 2)
B1 = 2048 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2022-03-30T18:57:43+00:00