is 2 90297331 - 1
has 27182206 decimal digits
takes 304.419 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
1 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP32BB7003ADDA02__
unverified PRP test

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual277338.970964.9351 %740000148000007.36203.2359 %346.332966.0697 %
Target27584.741264.0000 %60000010000000029.40654.0587 %114.147765.4611 %
Difference+2+254.2296+0.9351 %+140000-85200000-22.0444-0.8229 %+232.1852+0.6086 %

Known prime factors:
No known factors for M90297331

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2019-01-10Xyzzyi5-4250U7400001480000012--7.3623.929%


Trial Factoring results:
575859606162636465666768697071727374757677
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-06-16Carsten Kossendeymother2652660.083
2010-11-15Carsten KossendeyManual testing2662670.166
2011-08-25Carsten KossendeyManual testing2672680.331
2013-06-28Carsten KossendeyManual testing2682690.662
2013-11-26Carsten KossendeyManual testing2692701.324
2014-01-30CRAZY CANADIANm1garand2702712.648
2015-12-06Carsten KossendeyManual testing2712725.296
2016-10-31Carsten KossendeyManual testing27227310.59
2018-04-05Carsten KossendeyManual testing27327421.19
2018-11-25TheJudgerManual testing274276127.1
2019-01-27TheJudgerManual testing276277169.5


ECM factoring results:
No ECM results for M90297331


Lucas-Lehmer results:
No L-L results for M90297331


PRP results:
dateuseridcompidcofactorsres64
2019-12-30Ben Deloi-0205ccffc43be50bc32BB7003ADDA02__


CERT results:
No CERT results for M90297331


P-1 factor-bounds graph:
B1 = 740000, B2 = 14800000 (P-1 stage 2)
B1 = 740000 (P-1 stage 1)
104
105
106
104
105
106
107
108
TF factor-bounds graph:
277
276
274
273
272
271
270
269
268
267
266
this exponent TF target: 75
TF double-checked to: 67
250
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Last modified: 2024-03-13T02:15:48+00:00