is 211582677-1
has 3,486,734 decimal digits
takes 4.459 GHz-days to do one L-L test
Last-known PrimeNet details:
0 L-L tests remaining
ResidueStatus
L-L2ED692F4D8F026EBdouble-checked
PRPEB116252411A20__
needs double-check

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual26910.307465.2174%1,500,00030,000,0001.70426.5804%12.011671.7978%9.2978%
PrimeNet2640.307362.5000%50,0001,500,0000.07204.0249%0.379366.5249%4.0249%
GPU722685.146064.7059%80,0002,000,0000.10312.9255%5.249167.6313%2.9255%
Difference+1+5.1613+0.5115%+1,420,000+28,000,000+1.6011+3.6550%+6.7625+4.1665%+4.1665%

Known prime factors (1 factor, 124.0 bits, 0.00107099% known):
Remaining cofactor is not a probable-prime

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
115826772201203546453826124541705177108813689738124.050950213645107182961478467014624
25 × 3 × 61 × 349 × 1913 × 22699 × 52009 × 59263 × 3473849
59,2633,473,8492018-10-231.241e+100.13690.1973

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2001-02-18T00:00:00vidmarv4_computers125,0001,125,000---0.100--2.441%
2018-10-23T22:44:40Sid & AndyHand_In_The_Box1,500,00030,000,0001238124.0501.7048.9193.4086.580%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2000-01-19T00:00:00ANONYMOUSv4_computers?264--0.170--
2013-11-05T23:49:00lycornManual testing264265--0.323--
2014-12-20T13:11:00NesowaManual testing265266--0.645--
2016-01-15T21:22:21VictordeHollanderManual testing266267--1.290--
2018-01-01T21:55:36ramgeisManual testing267268--2.581--
2018-01-01T21:55:36ramgeisManual testing268269--5.161--


ECM factoring results:
ECM Summary

B1B2factorcurvesGHz-days
50,0005,000,00021.171


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2001-04-21T00:00:00vidmarv4_computers2ED692F4D8F026EB4.459
2004-03-16T00:00:00Team Prime Ribv4_computers2ED692F4D8F026EB4.459


PRP results:
dateuseridcompidcofactorsres64PRP
2020-05-30T12:30:02CrypticCluecruncher
22012035464538261245417051771088136897
EB116252411A20__no


P-1 factor-bounds graph:
B1 = 1,500,000, B2 = 30,000,000 (stage 2)
B1 = 1,500,000 (stage 1)
B1 = 125,000, B2 = 1,125,000 (stage 2)
B1 = 125,000 (stage 1)
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108
TF factor-bounds graph:
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Last modified: 2020-05-30T12:30:02+00:00