is 252255373-1
has 15,730,435 decimal digits
takes 100.108 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
Actual2630.030558.7302%----0.030558.7302%-3.5887%
PrimeNet2692.284762.3188%220,0009,000,0001.93995.1604%4.224667.4793%5.1604%
GPU7227336.605764.3836%360,00011,000,0002.61033.8388%39.216068.2224%3.8388%
Difference-10-36.5752-5.6534%-360,000-11,000,000-2.6103-3.8388%-39.1855-9.4922%-9.4922%

Known prime factors (1 factor, 119.5 bits, 0.00022875% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
5225537396265954785385533840090555506243758336119.5359211105888133793805288745667
33 × 7 × 67 × 149 × 271 × 3491 × 37013 × 232187 × 600451
232,187600,4512011-08-103.166e+90.70071.3126

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2011-08-10T17:34:00Scott CrawfordCorei7-962,659,547,853,855,360-400,905,555,062,437,56836119.535-200.2-nan%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1999-12-01T00:00:00ANONYMOUSv4_computers?253--2.29627e-5--
2000-01-04T00:00:00ANONYMOUSv4_computers?253--2.29627e-5--
2000-02-23T00:00:00ANONYMOUSv4_computers?254--4.59253e-5--
2000-05-05T00:00:00ANONYMOUSv4_computers?256--0.000--
2001-06-17T00:00:00ANONYMOUSv4_computers?257--0.000--
2002-04-14T00:00:00ANONYMOUSv4_computers?258--0.001--
2003-11-16T00:00:001997rj7v4_computers?259--0.001--
2004-02-14T00:00:001997rj7v4_computers?260--0.001--
2007-03-04T00:00:00ANONYMOUSv4_computers?263--0.019--
2008-10-28T03:25:00DerekManual testing?264--0.038--
2008-12-16T03:28:00Dk Systemsv4_computers?269--1.144--
2008-12-30T00:00:00Dk Systemsv4_computers?269--1.144--


ECM factoring results:
Exponent "52255373" not found


Lucas-Lehmer results:
Exponent "52255373" not found


PRP results:
Exponent "52255373" not found


P-1 factor-bounds graph:
TF factor-bounds graph:
269
264
263
260
259
258
257
256
254
253
250
260
270
280
290
2100
2110
2120
Last modified: 2011-08-10T17:34:35+00:00