is 2 3277097 - 1
has 986505 decimal digits
takes 0.344 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
Actual26818.188367.6471%10000001343433001.25877.6495%19.447070.1219%2.4749%
PrimeNet2600.046963.3333%140002600000.00422.7750%0.051064.3508%1.0175%
GPU722641.086165.6250%170002800000.00481.6870%1.090966.2049%0.5799%
Difference+4+17.1022+2.0221%+983000+134063300+1.2539+5.9625%+18.3561+3.9170%+3.9170%

Known prime factors (1 factor, 52.8 bits, 0.00161234% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
327709780503613065486631652.8381228276323
32 × 136475147
-91364751470.00031.13242.1149

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2020-12-25T20:19:29Jocelyn LaroucheManual testing109236109236---0.017--0.910%
2021-01-01T17:08:06Jocelyn LaroucheManual testing327709327709---0.050--1.605%
2021-01-03T02:39:38Jocelyn LaroucheManual testing32770932770976---0.074--3.405%
2022-03-13T12:30:27Jocelyn LaroucheManual testing1000000134343300---1.259--7.650%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2021-05-21T12:00:53Jocelyn LaroucheManual testing267268--9.121--


ECM factoring results:

Old Calculation Method

Total ECM effort:0.437 GHz-days
Estimated T-Level:0.150
DigitsB1CurvesCompleteFacMiss
20110003 / 1000.03097.030%
25500003 / 2800.01198.932%

New Calculation Method

Total ECM effort:0.437 GHz-days
Estimated T-Level:0.150
DigitsB1CompleteFacMiss
20110000.11589.102%
25500000.01198.938%


ECM Summary

B1B2factorcurvesGHz-days
50000500000030.437


Lucas-Lehmer results:
No L-L results for M3277097


PRP results:
dateuseridcompidcofactorsres64PRP
2017-11-03T07:01:15Oliver KruseGTX-0
8050361306548663
EE8676A6EC5AA0__no
2017-12-14T05:47:12kkmrkkblmbrbkc4.xlarge
8050361306548663
EE8676A6EC5AA0__no


P-1 factor-bounds graph:
B1 = 1000000, B2 = 134343300 (P-1 stage 2)
B1 = 1000000 (P-1 stage 1)
B1 = 327709, B2 = 3277097 (P-1 stage 2)
B1 = 327709 (P-1 stage 1)
B1 = 109236 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2022-03-13T12:30:27+00:00