is 2 3316559 - 1
has 998384 decimal digits
takes 0.348 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual26817.971967.6471%33165593390250503.29059.7122%21.262470.7892%3.1422%
PrimeNet2600.046363.3333%140002600000.00422.7809%0.050564.3530%1.0197%
GPU722641.073265.6250%170003000000.00491.7238%1.078166.2176%0.5926%
Difference+4+16.8987+2.0221%+3299559+338725050+3.2856+7.9884%+20.1843+4.5717%+4.5717%

Known prime factors (3 factors, 158.7 bits, 0.00478478% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
33165596633119722.6611
1
-111.685e-131.523e-73.099e-7
3316559292711968475132291212064.6664412886495840
25 × 32 × 5 × 3407 × 899473
2017-12-1234078994731.29270.00800.0139
331655930360188302953852565932271.363457706139148344
23 × 3 × 83 × 115741 × 1985227
2018-09-291157411985227180.480.03310.0359

4 Composite Factors:
exponentprime factorscomposite factordigitsbits*
33165591941593319619801028338583992787.327
3316559201382741875900955578269035672994.024
33165598886790481433308227704725630786858484475341136.029
331655958947138791414424038044541971359295963684317460748158.690
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2021-01-20T18:54:45Jocelyn LaroucheManual testing33165533165596-
skipped known factor: 6633119
skipped known factor: 29271196847513229121
skipped known factor: 3036018830295385256593
--0.075--3.425%
2021-07-31T12:30:35Jocelyn LaroucheManual testing33165593316559-
skipped known factor: 6633119
skipped known factor: 29271196847513229121
skipped known factor: 3036018830295385256593
--0.505--3.863%
2021-12-20T08:16:21Jocelyn LaroucheManual testing3316559116701200-
skipped known factor: 6633119
skipped known factor: 29271196847513229121
skipped known factor: 3036018830295385256593
--1.446--8.356%
2022-01-19T07:44:36Jocelyn LaroucheManual testing3316559339025050-
skipped known factor: 6633119
skipped known factor: 29271196847513229121
skipped known factor: 3036018830295385256593
--3.291--9.712%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2022-04-20T18:17:12LordJuliusManual testing2126222.66171.68512e-130.7543.64867e-13
2022-04-20T18:17:12LordJuliusManual testing262263--0.296--
2022-04-20T18:17:12LordJuliusManual testing263264--0.592--
2017-12-12T12:35:33TJAOIManual testing264265*64.666200.2190.7080.446
2022-04-20T18:17:12LordJuliusManual testing26426564.666200.2190.7080.446
2022-04-20T18:17:12LordJuliusManual testing265266--2.253--
2022-04-20T18:17:12LordJuliusManual testing266267--4.506--
2021-07-31T12:30:51Jocelyn LaroucheManual testing267268--9.013--


ECM factoring results:

Old Calculation Method

Total ECM effort:0.584 GHz-days
Estimated T-Level:0.200
DigitsB1CurvesCompleteFacMiss
20110004 / 1000.04096.060%
25500004 / 2800.01498.579%

New Calculation Method

Total ECM effort:0.584 GHz-days
Estimated T-Level:0.200
DigitsB1CompleteFacMiss
20110000.15485.740%
25500000.01498.587%


ECM Summary

B1B2factorcurvesGHz-days
50000500000030.438
50000500000010.146


Lucas-Lehmer results:
No L-L results for M3316559


PRP results:
dateuseridcompidcofactorsres64PRP
2017-11-04T07:39:12Oliver KruseGTX-3
6633119
45EED3B885156E__no
2017-12-12T22:39:03kkmrkkblmbrbkc4.xlarge
6633119
29271196847513229121
45EED3B885156E__no
2018-01-07T05:32:29ATHec2-1xf
6633119
29271196847513229121
45EED3B885156E__no
2018-09-29T20:48:36ANONYMOUS
6633119
29271196847513229121
3036018830295385256593
45EED3B885156E__no


P-1 factor-bounds graph:
B1 = 3316559, B2 = 339025050 (P-1 stage 2)
B1 = 3316559, B2 = 116701200 (P-1 stage 2)
B1 = 3316559 (P-1 stage 1)
B1 = 331655, B2 = 3316559 (P-1 stage 2)
B1 = 331655 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2022-04-20T18:17:12+00:00