is 264657903-1
has 19,463,969 decimal digits
takes 156.840 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
Actual27459.170964.8649%555,0009,018,7503.57403.6267%62.744968.4916%5.6345%
PrimeNet2703.695662.8571%280,00013,000,0003.42245.2956%7.118068.1528%5.2956%
GPU7227459.170964.8649%450,00014,000,0004.17943.8592%63.350268.7241%3.8592%
Difference---+105,000-4,981,250-0.6054-0.2325%-0.6054-0.2325%-0.2325%

Known prime factors (1 factor, 122.6 bits, 0.00018957% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
64657903791208526554405828851687138916990739337122.57361184208723441419748154153632
25 × 3 × 31 × 47 × 1657 × 6221 × 116791 × 301237 × 1206169
301,2371,206,1692013-12-162.143e+91.23292.1563

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2013-12-16T05:02:00LaurVk-lib555,0009,018,75037122.5733.574313.77.1483.627%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2003-09-29T00:00:00ANONYMOUSv4_computers?259--0.001--
2004-02-07T00:00:00AxelFoxv4_computers?260--0.001--
2009-05-31T17:37:00For Researchm1_17263264--0.030--
2009-10-07T13:08:00unconnectedgreece-E8400264265--0.058--
2009-12-14T20:09:00NoWhereManbbox_athlonX2265266--0.116--
2009-12-18T14:27:00GrunwalderGIMPcompute-0-1266267--0.231--
2009-12-19T16:51:00GrunwalderGIMPcompute-0-1267268--0.462--
2009-12-21T03:18:00GrunwalderGIMPcompute-0-5268269--0.925--
2011-10-25T16:25:00america64Manual testing269270--1.849--
2012-08-25T05:45:00Clown_RoyalManual testing270271--3.698--
2013-10-26T15:13:00RichD0Manual testing271272--7.397--
2013-12-01T05:16:00LingUaanManual testing272273--14.79--
2013-12-10T21:58:00america64Manual testing273274--29.59--


ECM factoring results:
Exponent "64657903" not found


Lucas-Lehmer results:
Exponent "64657903" not found


PRP results:
Exponent "64657903" not found


P-1 factor-bounds graph:
B1 = 555,000, B2 = 9,018,750 (stage 2)
B1 = 555,000 (stage 1)
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TF factor-bounds graph:
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Last modified: 2013-12-16T05:02:17+00:00