is 2 111077761 - 1
has 33437738 decimal digits
takes 487.508 GHz-days to do one PRP test
Last-known PrimeNet details:
-unknown- L-L tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual277275.556264.9351%8900001757750011.44983.5194%287.006068.4545%5.9545%
PrimeNet2728.609662.5000%4500002400000011.02915.5138%19.638668.0138%5.5138%
GPU72276137.777364.4737%7000002600000013.22684.0526%151.004168.5263%4.0526%
Difference+1+137.7789+0.4614%+190000-8422500-1.7770-0.5332%+136.0019-0.0718%-0.0718%

Known prime factors (1 factor, 87.6 bits, 0.00007891% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
1110777612426763492410911722630534712787.6491092371447967389135
5 × 7 × 13 × 271 × 313 × 337 × 83987647
337839876472020-05-26489,52429.12254.389

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2020-05-26T21:36:57Architects CubedColab_BC8900001757750062787.64911.45975.022.903.519%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-05-02T15:22:00Donna NobleATH2-630-temp263264--0.018--
2010-09-21T21:44:00Mr-Plonklinux-i7-920264265--0.034--
2012-05-31T05:50:00omiXorpLLB16-T5500-09265266--0.067--
2013-10-03T05:14:00Le ComteManual testing266267--0.135--
2014-11-09T12:55:00Simon HarrisonManual testing267268--0.269--
2014-11-16T02:23:00SMoffatManual testing268269--0.538--
2015-09-13T13:58:00PascalBieriManual testing269270--1.076--
2015-09-15T00:57:00maxaManual testing270271--2.153--
2019-01-20T11:18:30Niels_Mache_NextcloudManual testing271272--4.306--
2020-04-09T22:42:34DiophantusManual testing272273--8.611--
2020-05-07T19:42:23RobertKazanManual testing273274--17.22--
2020-05-07T19:42:23RobertKazanManual testing274275--34.44--
2020-05-08T03:00:21RobertKazanManual testing275276--68.89--
2020-05-17T01:34:06Jon PaceManual testing276277--137.8--


ECM factoring results:
Exponent "111077761" not found


Lucas-Lehmer results:
Exponent "111077761" not found


PRP results:
Exponent "111077761" not found


P-1 factor-bounds graph:
B1 = 890000, B2 = 17577500 (stage 2)
B1 = 890000 (stage 1)
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TF factor-bounds graph:
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Last modified: 2020-05-26T21:36:57+00:00