is 2 3174319 - 1
has 955566 decimal digits
takes 0.270 GHz-days to do one PRP test
Last-known PrimeNet details:
-unknown- L-L tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2652.298466.1538%31743131743190.05844.5807%2.356770.7346%7.4012%
PrimeNet2600.048463.3333%130002400000.00312.6536%0.051565.9869%2.6536%
GPU722641.121365.6250%150002600000.00351.5823%1.124867.2073%1.5823%
Difference+1+1.1771+0.5288%+302431+2914319+0.0549+2.9984%+1.2319+3.5272%+3.5272%

Known prime factors (2 factors, 108.7 bits, 0.00342290% known):
Remaining cofactor is not a probable-prime

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
3174319127544137431133.5702009
72 × 41
4949-5.173e-106.047e-61.231e-5
3174319400292713147078133216812375.0836305174639774360
23 × 5 × 7 × 17 × 113 × 10357 × 1131821
1035711318212021-01-043,798.50.00880.0142

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
317431951054988817858501225952662626198333108.654
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2021-01-04T08:51:21Jocelyn LaroucheManual testing317431317431---0.039--2.264%
2021-01-04T15:32:53Jocelyn LaroucheManual testing317431317431962375.0830.0580.5400.1174.581%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2021-01-04T08:51:24Jocelyn LaroucheManual testing259260--0.024--
2021-01-04T09:13:18Jocelyn LaroucheManual testing260261--0.048--
2021-01-04T15:32:57Jocelyn LaroucheManual testing261262--0.097--
2021-01-05T11:55:25Jocelyn LaroucheManual testing262263--0.309--
2021-01-06T23:54:43Jocelyn LaroucheManual testing263264--0.618--
2021-01-16T16:09:51Jocelyn LaroucheManual testing264265--1.177--


ECM factoring results:
ECM Summary

B1B2factorcurvesGHz-days
50000500000030.352


Lucas-Lehmer results:
Exponent "3174319" not found


PRP results:
dateuseridcompidcofactorsres64PRP
2017-10-31T21:11:06Oliver KruseGTX-0
12754413743
B06010843E9E42__no
2017-12-13T16:14:38kkmrkkblmbrbkold
12754413743
B06010843E9E42__no
2021-01-05T18:58:15riccardo ubertiNomad2C
12754413743
40029271314707813321681
B06010843E9E42ECno


P-1 factor-bounds graph:
B1 = 317431, B2 = 3174319 (stage 2)
B1 = 317431 (stage 1)
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TF factor-bounds graph:
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Last modified: 2021-01-16T16:09:51+00:00