is 2 3231301 - 1
has 972719 decimal digits
takes 0.275 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
Actual26818.446167.6471%10000001343433001.02007.6382%19.466170.1182%2.4712%
PrimeNet2600.047563.3333%140002600000.00342.7680%0.050964.3483%1.0149%
GPU722641.101565.6250%160002800000.00371.6530%1.105366.1932%0.5682%
Difference+4+17.3446+2.0221%+984000+134063300+1.0162+5.9852%+18.3608+3.9250%+3.9250%

Known prime factors (1 factor, 30.9 bits, 0.00095641% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
323130120098692231030.904311
311
-13114.725e-112.208e-63.958e-6

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2021-01-07T11:46:54Jocelyn LaroucheManual testing323130323130-
skipped known factor: 2009869223
--0.040--1.591%
2021-01-07T15:35:56Jocelyn LaroucheManual testing32313032313016-
skipped known factor: 2009869223
--0.059--3.382%
2022-03-12T12:04:57Jocelyn LaroucheManual testing1000000134343300-
skipped known factor: 2009869223
--1.020--7.638%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2021-05-03T01:55:33Jocelyn LaroucheManual testing267268--9.250--


ECM factoring results:

Old Calculation Method

Total ECM effort:0.353 GHz-days
Estimated T-Level:0.150
DigitsB1CurvesCompleteFacMiss
20110003 / 1000.03097.030%
25500003 / 2800.01198.932%

New Calculation Method

Total ECM effort:0.353 GHz-days
Estimated T-Level:0.150
DigitsB1CompleteFacMiss
20110000.11589.102%
25500000.01198.938%


ECM Summary

B1B2factorcurvesGHz-days
50000500000030.353


Lucas-Lehmer results:
No L-L results for M3231301


PRP results:
dateuseridcompidcofactorsres64PRP
2017-11-02T06:17:47Oliver KruseGTX-0
2009869223
E1745C88DAD928__no
2017-12-13T14:12:18kkmrkkblmbrbkc4.xlarge
2009869223
E1745C88DAD928__no


P-1 factor-bounds graph:
B1 = 1000000, B2 = 134343300 (P-1 stage 2)
B1 = 1000000 (P-1 stage 1)
B1 = 323130, B2 = 3231301 (P-1 stage 2)
B1 = 323130 (P-1 stage 1)
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TF factor-bounds graph:
268
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Last modified: 2022-03-12T12:04:57+00:00