is 2 3260701 - 1
has 981569 decimal digits
takes 0.342 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual26818.279867.6471 %10000002411755502.14518.2857 %20.424870.3277 %
Target2641.091665.6250 %1700014000000.01411.6854 %1.105666.2044 %
Difference+4+17.1882+2.0221 %+983000+239775550+2.1310+6.6003%+19.3192+4.1234 %

Known prime factors (3 factors, 167.8 bits, 0.00514529% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
326070114021014311030.385215
5 × 43
-5434.591e-111.077e-61.550e-6
3260701396522044872391445.1726080319
33 × 7 × 53 × 607
2008-09-30536071.562e-61.267e-51.643e-5
326070157485255105533188260215547692892.215881486145241976928584
23 × 7 × 521 × 829 × 697897 × 52220843
2022-03-0969789752220843518,250,3660.53380.8093

4 Composite Factors:
P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2020-11-11JossManual testing32607032607016
skipped known factor: 1402101431
skipped known factor: 39652204487239
---5.132%
2022-03-09JossManual testing100000013434330022892.2151.25910.647%
2022-09-11JossManual testing1000000241175550
skipped known factor: 1402101431
skipped known factor: 39652204487239
skipped known factor: 5748525510553318826021554769
--2.14511.449%


Trial Factoring results:
575859606162636465666768
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2008-09-30markrManual testing??
45.172
14
2021-10-03JossManual testing267268


ECM factoring results:
Total ECM effort:1.247 GHz-days
Estimated T-Level:1.731
DigitsB1CompleteFacMiss
20110000.34670.740%
25500000.03296.848%
302500000.00299.798%


ECM Summary

B1B2factorcurvesGHz-days
50000500000091.247


Lucas-Lehmer results:
No L-L results for M3260701


PRP results:
dateuseridcompidcofactorsres64
2017-11-02Oliver KruseGTX-0
1402101431
39652204487239
4DA623425A0F5B64
2017-12-13kkmrkkblmbrbkc4.xlarge
1402101431
39652204487239
4DA623425A0F5B64
2022-03-10LordJuliusWhitebox
1402101431
39652204487239
5748525510553318826021554769
4DA623425A0F5B64


CERT results:
dateuseridcompid
2022-03-10Mark Filipski1


P-1 factor-bounds graph:
B1 = 1000000, B2 = 241175550 (P-1 stage 2)
B1 = 1000000, B2 = 134343300 (P-1 stage 2)
B1 = 1000000 (P-1 stage 1)
B1 = 326070, B2 = 3260701 (P-1 stage 2)
B1 = 326070 (P-1 stage 1)
100
101
102
103
104
105
106
100
101
102
103
104
105
106
107
108
109
TF factor-bounds graph:
268
this exponent TF target: 64
TF double-checked to: 67
ECM T-Level=1.73 ~= -11-bit
250
260
270
280
290
2100
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Last modified: 2024-03-13T02:15:48+00:00