is 2 90732647 - 1
has 27313249 decimal digits
takes 305.887 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- L-L tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual27584.334764.0000%10000100000.04890.0912%84.383664.0328%2.0610%
PrimeNet2715.269161.9718%400000180000006.64285.5496%11.911964.0822%2.1104%
GPU7227584.334764.0000%600000200000008.09994.0611%92.434665.4620%1.4620%
Difference----590000-19990000-8.0510-3.9699%-8.0510-1.4292%-1.4292%

Known prime factors (1 factor, 74.5 bits, 0.00008207% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
90732647260757680707296984515832374.465143695620776553
3 × 67 × 714903585953
2018-10-276771490358595343.563190,402355,618

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2018-03-29T23:29:26c10ck3rManual testing1000010000---0.049--0.091%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-05-19T15:35:00Carsten Kossendeyleela264265--0.041--
2010-07-29T21:29:00Carsten KossendeyManual testing265266--0.082--
2010-12-01T05:24:00Carsten KossendeyManual testing266267--0.165--
2010-12-22T03:20:00Carsten KossendeyManual testing267268--0.329--
2011-06-25T22:26:00Carsten KossendeyManual testing268269--0.659--
2014-06-04T11:53:00ITSMartinThree269270--1.318--
2014-09-03T17:56:00ANONYMOUSManual testing270271--2.636--
2016-05-12T18:12:44Carsten KossendeyManual testing271272--5.271--
2017-06-07T17:49:26Carsten KossendeyManual testing272273--10.54--
2018-10-27T16:05:09Strolling JellyfishManual testing273274--21.08--
2018-10-27T16:05:10Strolling JellyfishManual testing27427574.465231.396623.02.844


ECM factoring results:
Exponent "90732647" not found


Lucas-Lehmer results:
Exponent "90732647" not found


PRP results:
Exponent "90732647" not found


P-1 factor-bounds graph:
B1 = 10000 (stage 1)
100
101
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104
100
101
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1010
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1012
TF factor-bounds graph:
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272
271
270
269
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2100
Last modified: 2018-10-27T16:05:10+00:00