is 2 90999673 - 1
has 27393632 decimal digits
takes 329.621 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
Actual2715.253661.9718 %104000010400005.46232.9582 %10.715963.0968 %
Target27584.087264.0000 %60000011000000034.45684.1356 %118.544065.4888 %
Difference-4-78.8336-2.0282 %+440000-108960000-28.9944-1.1775 %-107.8280-2.3921 %

Known prime factors (1 factor, 80.7 bits, 0.00008864% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
9099967319147319716099890489899212580.66310520543143105520
24 × 5 × 7 × 18773 × 21179 × 47251
2014-10-2321179472512,772.40.11870.2264

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2014-10-23timbittimcpui51040000104000012580.6635.0841.923%


Trial Factoring results:
57585960616263646566676869707172737475
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-09-16Carsten Kossendeymother2652660.082
2010-12-29Carsten KossendeyManual testing2662670.164
2011-07-27Carsten KossendeyManual testing2672680.328
2013-06-24Carsten KossendeyManual testing2682690.657
2014-04-05SWL551Manual testing2692701.314
2014-09-15Smok_bmvManual testing2702712.628


ECM factoring results:
No ECM results for M90999673


Lucas-Lehmer results:
No L-L results for M90999673


PRP results:
No PRP results for M90999673


CERT results:
No CERT results for M90999673


P-1 factor-bounds graph:
B1 = 1040000 (P-1 stage 1)
103
104
105
106
107
103
104
105
106
107
TF factor-bounds graph:
271
270
269
268
267
266
this exponent TF target: 75
TF double-checked to: 67
250
260
270
280
290
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Last modified: 2024-03-13T02:15:48+00:00