is 2 3233941 - 1
has 973514 decimal digits
takes 0.275 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 LL tests remaining
ResidueStatus
L-L617D000AE2ABD07Fdouble-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual26818.431067.6471 %10000001199121000.92297.5152 %19.354070.0784 %
Target2641.100665.6250 %1600014000000.01131.6533 %1.111966.1933 %
Difference+4+17.3304+2.0221 %+984000+118512100+0.9117+5.8619%+18.2421+3.8851 %

Known prime factors (1 factor, 64.4 bits, 0.00199244% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
3233941249252470055546263512064.4343853695383675
52 × 19 × 647 × 12539479
2009-05-29647125394791.10060.08440.1575

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2020-12-25JossManual testing107798107798---1.562%
2021-01-17JossManual testing32339432339416---5.113%
2022-02-06JossManual testing1000000119912100
skipped known factor: 24925247005554626351
--1.13910.483%


Trial Factoring results:
575859606162636465666768
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
1998-03-17ANONYMOUSv4_computers212590.012
2000-12-07Alex Kruppav4_computers212600.024
2009-04-06S485122USB-A2602610.047
2022-04-03LordJuliusManual testing261263
2022-04-03LordJuliusManual testing263264
2022-04-03LordJuliusManual testing265266
2022-04-03LordJuliusManual testing266267
2021-07-06JossManual testing267268


ECM factoring results:
Total ECM effort:0.243 GHz-days
DigitsB1CompleteFacMiss


ECM Summary

B1B2factorcurvesGHz-days
10.243


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
1998-04-11ANONYMOUSv4_computers82E34EBC3F68018A0.275
1999-06-06ANONYMOUSv4_computers617D000AE2ABD07F0.275
1999-09-14ANONYMOUSv4_computers617D000AE2ABD07F0.275


PRP results:
dateuseridcompidcofactorsres64
2017-11-02Oliver KruseGTX-1
24925247005554626351
09D6D551F30C3B3D
2017-12-13kkmrkkblmbrbkc4.xlarge
24925247005554626351
09D6D551F30C3B3D


CERT results:
No CERT results for M3233941


P-1 factor-bounds graph:
B1 = 1000000, B2 = 119912100 (P-1 stage 2)
B1 = 1000000 (P-1 stage 1)
B1 = 323394, B2 = 3233941 (P-1 stage 2)
B1 = 323394 (P-1 stage 1)
B1 = 107798 (P-1 stage 1)
101
102
103
104
105
106
101
102
103
104
105
106
107
108
109
TF factor-bounds graph:
268
267
266
264
263
261
260
259
this exponent TF target: 64
TF double-checked to: 67
250
260
270
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Last modified: 2024-02-29T14:28:04+00:00