is 2 432137 - 1
has 130087 decimal digits
takes 0.005 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L993766D4C63173__double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual26768.760471.6418%30000001000000000.14157.1713%68.901973.6754%2.0337%
PrimeNet2400.000052.5000%45001400000.000218.0748%0.000261.0855%8.5855%
GPU722440.000056.8182%80002400000.000413.5803%0.000462.6824%5.8642%
Difference+23+68.7604+14.8236%+2992000+99760000+0.1411-6.4090%+68.9015+10.9931%+10.9931%

Known prime factors (1 factor, 66.5 bits, 0.01539414% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
4321371060829796038067188172166.524122742301172784
24 × 3 × 2557131274433
2008-01-1216255713127443349.6262,379.34,443.8

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2002-06-23T00:00:00ANONYMOUSv4_computers327683276800---0.004--1.713%
2002-08-31T00:00:00ANONYMOUSv4_computers655366553600---0.007--2.438%
2016-03-17T18:48:01alpertronManual testing300000010000000012---0.141--7.171%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2001-03-18T00:00:00ANONYMOUSv4_computers21256--0.022--
2002-02-03T00:00:00ANONYMOUSv4_computers21257--0.044--
2004-01-07T00:00:00ANONYMOUSv4_computers21258--0.089--


ECM factoring results:

Old Calculation Method

Total ECM effort:12.838 GHz-days
Estimated T-Level:26.125
DigitsB1CurvesCompleteFacMiss
2011000423 / 1004.2301.425%
2550000423 / 2801.51122.016%
30250000144 / 6400.22579.838%

New Calculation Method

Total ECM effort:12.838 GHz-days
Estimated T-Level:26.125
DigitsB1CompleteFacMiss
201100023.8220.000%
25500003.0214.875%
302500000.28775.083%
3510000000.02297.834%
4030000000.00199.860%


ECM Summary

B1B2factorcurvesGHz-days
10.00000e+0
5000050000002793.585
250000250000001449.252


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2002-02-24T00:00:00ANONYMOUSv4_computers993766D4C63173__0.005


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-23T23:06:52Oliver KruseDoppelherz
106082979603806718817
4F123014E72D62__no
2017-09-24T17:47:24Oliver KruseManual testing
106082979603806718817
4F123014E72D62__no
2017-11-09T08:22:12kkmrkkblmbrbkc4.large
106082979603806718817
4F123014E72D62__no
2020-04-18T18:19:00Oliver KruseAddPrpType5
106082979603806718817
B3DB70FA5151CB__no


P-1 factor-bounds graph:
B1 = 3000000, B2 = 100000000 (P-1 stage 2)
B1 = 3000000 (P-1 stage 1)
B1 = 65536, B2 = 6553600 (P-1 stage 2)
B1 = 32768, B2 = 3276800 (P-1 stage 2)
B1 = 65536 (P-1 stage 1)
B1 = 32768 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2022-08-02T10:10:04+00:00