is 277807531-1
has 23,422,401 decimal digits
takes 219.374 GHz-days to do one L-L 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
Actual27598.344164.0000%----98.344164.0000%2.5714%
PrimeNet2703.071061.4286%340,00016,000,0004.87805.7569%7.949167.1855%5.7569%
GPU7227449.170963.5135%550,00019,000,0006.35804.2978%55.528967.8113%4.2978%
Difference+1+49.1732+0.4865%-550,000-19,000,000-6.3580-4.2978%+42.8152-3.8113%-3.8113%

Known prime factors (1 factor, 124.8 bits, 0.00016035% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
778075313611654914315051767521852825704977103938124.764232089032250300537586898421549
3 × 139 × 6449 × 138647 × 410119 × 521483 × 2910487
521,4832,910,4872016-10-072.348e+92.66404.3388

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2016-10-08T00:05:32For Researchpfs-361,165,491,431,505,152-752,185,282,570,497,66438124.764-438.7-nan%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2000-08-17T00:00:00ANONYMOUSv4_computers?253--1.54217e-5--
2016-04-04T13:01:13Mark RoseManual testing253264--0.046--
2010-10-14T16:36:00ANONYMOUS264265--0.048--
2010-10-22T17:15:00haitao deng20895572265266--0.096--
2010-10-27T17:48:00A45XRtv266267--0.192--
2010-12-04T14:23:00Ronlinemarre321267268--0.384--
2010-12-05T20:05:00GrunwalderGIMPLyc-i7268269--0.768--
2010-12-07T18:29:00GrunwalderGIMPLyc-i7269270--1.537--
2013-01-10T19:08:00Bold_SeekerManual testing270271--3.073--
2016-01-11T05:49:49DerekManual testing271272--6.147--
2016-04-26T18:37:16GregManual testing272273--12.29--
2016-05-12T12:35:22AirSquirrelsManual testing273274--24.59--
2016-05-12T13:55:23AirSquirrelsManual testing274275--49.17--


ECM factoring results:
Exponent "77807531" not found


Lucas-Lehmer results:
Exponent "77807531" not found


PRP results:
Exponent "77807531" not found


P-1 factor-bounds graph:
TF factor-bounds graph:
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Last modified: 2016-10-08T00:05:32+00:00