is 2 52104191 - 1
has 15684925 decimal digits
takes 99.818 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
Actual2692.291362.3188%----2.291362.3188%0.0000%
PrimeNet2692.291362.3188%22000090000001.93995.1586%4.231267.4774%5.1586%
GPU7227336.711964.3836%340000110000002.55783.8062%39.269768.1897%3.8062%
Difference-4-34.4206-2.0647%-340000-11000000-2.5578-3.8062%-36.9784-5.8709%-5.8709%

Known prime factors (1 factor, 91.9 bits, 0.00017643% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
5210419147146269302231179301374936812891.92945242300472750051240
23 × 3 × 5 × 19 × 1381 × 1777 × 36137 × 223757
361372237572011-03-2915,624,5090.12880.2043

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2011-03-29T01:33:00Ge yongSheng_Shi_32891.929-199.6-0.000%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2000-01-04T00:00:00ANONYMOUSv4_computers?253--2.30293e-5--
2000-02-23T00:00:00ANONYMOUSv4_computers?254--4.60586e-5--
2000-05-05T00:00:00ANONYMOUSv4_computers?256--0.000--
2001-06-09T00:00:00ANONYMOUSv4_computers?257--0.000--
2002-04-07T00:00:00ANONYMOUSv4_computers?258--0.001--
2003-11-16T00:00:001997rj7v4_computers?259--0.001--
2004-02-07T00:00:001997rj7v4_computers?260--0.001--
2006-10-24T00:00:00ANONYMOUSv4_computers?263--0.019--
2008-10-23T04:14:00DerekManual testing?264--0.038--
2009-02-16T05:47:00SAHS Science DeptLab08264265--0.072--
2009-02-19T21:58:00AbadSkyNet265266--0.143--
2009-02-24T00:19:00AbadSkyNet266267--0.287--
2009-04-21T18:05:00Jason DeanJBox267268--0.574--
2010-03-22T09:12:00ANONYMOUShome_comp268269--1.147--


ECM factoring results:
Exponent "52104191" not found


Lucas-Lehmer results:
Exponent "52104191" not found


PRP results:
Exponent "52104191" not found


P-1 factor-bounds graph:
103
104
105
103
104
105
106
TF factor-bounds graph:
269
268
267
266
265
264
263
260
259
258
257
256
254
253
250
260
270
280
290
2100
Last modified: 2011-03-29T01:33:35+00:00