is 2 1333193 - 1
has 401332 decimal digits
takes 0.051 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 LL tests remaining
ResidueStatus
L-LF74F529D0C468106double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual26722.287868.6567 %40816791510221340.66928.7411 %22.957071.3965 %
Target2600.115265.0000 %55002000000.00090.9788 %0.116165.3426 %
Difference+7+22.1726+3.6567 %+4076179+150822134+0.6683+7.7623%+22.8409+6.0539 %

Known prime factors (2 factors, 149.8 bits, 0.01123725% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
13331931457210290321866396972166.98254651137919336
23 × 32 × 7 × 1997 × 54298847
2014-06-2219975429884721.0650.16390.3059
133319386112088568619992477363512582.8323229543230748285975
52 × 73 × 367 × 4561 × 1057187689
2018-06-08456110571876891,344,5233.18905.9557

1 Composite Factors:
P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2003-09-21Xyzzyv4_computers15000213750--0.0012.274%
2003-09-21Team Prime Ribv4_computers15000213750--0.0012.274%
2014-04-25ANONYMOUSManual testing175000175000--0.0112.821%
2014-06-22mikrMSI40816791510221341222166.9820.66914.593%
2016-03-17alpertronManual testing5000001500000012---9.359%


Trial Factoring results:
5758596061626364656667
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2003-06-23ANONYMOUSv4_computers212580.029
2022-03-07LordJuliusManual testing258260
2009-02-26Sturle Sundescarpia.ifi2602610.115
2012-09-17AxelssonManual testing2612620.230
2013-01-10dbaughManual testing2622630.736


ECM factoring results:
Total ECM effort:29.098 GHz-days
Estimated T-Level:25.704
DigitsB1CompleteFacMiss
201100014.6540.000%
25500001.65119.189%
302500000.14186.866%
3510000000.01099.021%


ECM Summary

B1B2factorcurvesGHz-days
5000050000001578.250
500005000000945.132
250000350000005015.72


Lucas-Lehmer results:
No L-L results for M1333193


PRP results:
dateuseridcompidcofactorsres64
2017-09-30Oliver KruseGTX-1
145721029032186639697
A2EA730C81CDB936
2017-10-23kkmrkkblmbrbkc4.xlarge
145721029032186639697
A2EA730C81CDB936
2018-06-09storm55103570_Ivy_Bridge
145721029032186639697
8611208856861999247736351
043C20756F7DE79D
2018-06-10Daniil Tsarkovtsar1
145721029032186639697
8611208856861999247736351
043C20756F7DE79D
2018-06-10BattlemaxxHome
145721029032186639697
8611208856861999247736351
043C20756F7DE79D


CERT results:
No CERT results for M1333193


P-1 factor-bounds graph:
B1 = 4081679, B2 = 151022134 (P-1 stage 2)
B1 = 4081679 (P-1 stage 1)
B1 = 500000, B2 = 15000000 (P-1 stage 2)
B1 = 500000 (P-1 stage 1)
B1 = 175000 (P-1 stage 1)
B1 = 15000, B2 = 213750 (P-1 stage 2)
B1 = 15000 (P-1 stage 1)
102
103
104
105
106
107
102
103
104
105
106
107
108
109
1010
TF factor-bounds graph:
263
262
261
260
258
this exponent TF target: 60
TF double-checked to: 67
ECM T-Level=25.7 ~= 69-bit
250
260
270
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290
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Last modified: 2024-03-13T02:15:48+00:00