is 277887111-1
has 23,446,357 decimal digits
takes 219.598 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
Actual27598.243664.0000%660,00013,035,0005.45463.7095%103.698167.7095%6.2809%
PrimeNet2703.067961.4286%340,00016,000,0004.87805.7576%7.945967.1862%5.7576%
GPU7227449.120763.5135%550,00019,000,0006.35804.2983%55.478667.8118%4.2983%
Difference+1+49.1229+0.4865%+110,000-5,965,000-0.9034-0.5888%+48.2195-0.1023%-0.1023%

Known prime factors (1 factor, 118.9 bits, 0.00015260% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
7788711160044237584510300638262018171605429736118.8543854568285663484208463067668
22 × 3 × 233 × 1289 × 47491 × 62347 × 253999 × 1422089
253,9991,422,0892016-05-222.406e+91.29862.1133

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2016-05-22T19:33:04TheJudgerManual testing660,00013,035,0001236118.8545.455439.210.913.709%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2000-08-17T00:00:00ANONYMOUSv4_computers?253--1.54059e-5--
2016-04-04T13:01:25Mark RoseManual testing253264--0.046--
2010-10-24T18:02:00ANONYMOUShome-office264265--0.048--
2010-12-26T06:43:00ANONYMOUS265266--0.096--
2010-12-28T10:56:00ANONYMOUS266267--0.192--
2010-12-31T19:34:00kencid99dsw267268--0.384--
2011-01-04T13:04:00kencid99dsw268269--0.768--
2011-01-08T18:10:00kencid99dsw269270--1.535--
2013-01-08T08:33:00frmargnu023270271--3.070--
2016-01-31T21:31:24fre_gamesManual testing271272--6.140--
2016-05-04T06:28:09BdotManual testing272273--12.28--
2016-05-17T14:45:31AirSquirrelsManual testing273274--24.56--
2016-05-17T16:05:32AirSquirrelsManual testing274275--49.12--


ECM factoring results:
Exponent "77887111" not found


Lucas-Lehmer results:
Exponent "77887111" not found


PRP results:
Exponent "77887111" not found


P-1 factor-bounds graph:
B1 = 660,000, B2 = 13,035,000 (stage 2)
B1 = 660,000 (stage 1)
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TF factor-bounds graph:
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Last modified: 2016-05-22T19:33:04+00:00