is 2 3200929 - 1
has 963576 decimal digits
takes 0.272 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
Actual26818.621167.6471%10000001199121000.92297.5070%19.544170.0758%2.4287%
PrimeNet2600.048063.3333%130002400000.00312.6576%0.051164.3078%0.9744%
GPU722641.112065.6250%160002600000.00361.6158%1.115666.1804%0.5554%
Difference+4+17.5092+2.0221%+984000+119652100+0.9193+5.8912%+18.4285+3.8954%+3.8954%

Known prime factors (2 factors, 93.3 bits, 0.00291357% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
3200929224065031927.73935
5 × 7
-575.628e-126.305e-71.256e-6
3200929529757393810417809932065.5228275056925824
27 × 32 × 13 × 552554549
2018-08-301285525545493.98923.71536.9391

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
3200929118700106866610474704917557832993.261
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2020-12-25T11:56:46Jocelyn LaroucheManual testing32009232009296-
skipped known factor: 224065031
--0.059--3.366%
2022-02-09T23:48:31Jocelyn LaroucheManual testing1000000119912100-
skipped known factor: 224065031
--0.923--7.507%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2021-09-28T10:32:38Jocelyn LaroucheManual testing267268--9.338--


ECM factoring results:

Old Calculation Method

Total ECM effort:0.470 GHz-days
Estimated T-Level:0.200
DigitsB1CurvesCompleteFacMiss
20110004 / 1000.04096.060%
25500004 / 2800.01498.579%

New Calculation Method

Total ECM effort:0.470 GHz-days
Estimated T-Level:0.200
DigitsB1CompleteFacMiss
20110000.15485.740%
25500000.01498.587%


ECM Summary

B1B2factorcurvesGHz-days
50000500000030.352
50000500000010.117


Lucas-Lehmer results:
No L-L results for M3200929


PRP results:
dateuseridcompidcofactorsres64PRP
2017-11-01T14:11:47Oliver KruseGTX-0
224065031
BF6E258067B194__no
2017-12-13T04:58:25kkmrkkblmbrbkc4.xlarge
224065031
BF6E258067B194__no
2018-09-01T13:39:45Oliver KruseGTX-1
224065031
52975739381041780993
BF6E258067B194__no


P-1 factor-bounds graph:
B1 = 1000000, B2 = 119912100 (P-1 stage 2)
B1 = 1000000 (P-1 stage 1)
B1 = 320092, B2 = 3200929 (P-1 stage 2)
B1 = 320092 (P-1 stage 1)
100
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104
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106
100
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109
TF factor-bounds graph:
268
220
230
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250
260
270
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290
2100
Last modified: 2022-02-09T23:48:31+00:00