is 2 56309941 - 1
has 16950982 decimal digits
takes 119.346 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual27216.983463.8889%5450005450001.67491.9284%18.658364.5853%0.6964%
PrimeNet2692.120262.3188%240000100000002.37175.3713%4.491964.3428%2.0240%
GPU7227333.969964.3836%400000130000003.33904.0622%37.308965.8304%1.4468%
Difference-1-16.9865-0.4947%+145000-12455000-1.6641-2.1338%-18.6506-1.2451%-1.2451%

Known prime factors (1 factor, 74.2 bits, 0.00013179% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
56309941218781601013119953658972374.212194265521440628
22 × 11 × 1789 × 29789 × 82847
2012-07-132978982847111.300.10040.1863

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2012-07-13T01:11:00Jwb52zClay5450005450002374.2121.675238.73.3501.928%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1999-12-15T00:00:00ANONYMOUSv4_computers21253--2.13093e-5--
2000-01-19T00:00:00ANONYMOUSv4_computers21253--2.13093e-5--
2000-03-08T00:00:00ANONYMOUSv4_computers21254--4.26185e-5--
2000-06-11T00:00:00ANONYMOUSv4_computers21256--0.000--
2001-09-22T00:00:00ANONYMOUSv4_computers21257--0.000--
2002-09-22T00:00:00ANONYMOUSv4_computers21258--0.001--
Missing TF 58 - 59
Missing TF 59 - 60
Missing TF 60 - 61
Missing TF 61 - 62
Missing TF 62 - 63
2008-07-15T14:06:00Sturle Sundedittersdorf.ifi263264--0.035--
2008-07-16T04:12:00Sturle Sundegiovanni.ifi264265--0.066--
2008-07-16T17:29:00Sturle Sundegehry.ifi265266--0.133--
2008-07-17T14:19:00Sturle Sundeletov.ifi266267--0.265--
2009-05-21T17:58:00Gnorfe_paustra267268--0.531--
2011-04-15T07:44:00eon_blue_apocalypsecc0-7apr268269--1.062--
2011-08-19T14:07:00Johan ViljoenL1269270--2.123--
2011-09-07T09:28:00ANONYMOUStest270271--4.247--
2012-05-11T21:42:00Craig MeyersManual testing271272--8.493--


ECM factoring results:
No ECM results for M56309941


Lucas-Lehmer results:
No L-L results for M56309941


PRP results:
No PRP results for M56309941


P-1 factor-bounds graph:
B1 = 545000 (P-1 stage 1)
103
104
105
106
103
104
105
106
TF factor-bounds graph:
272
271
270
269
268
267
266
265
264
258
257
256
254
253
250
260
270
280
290
2100
Last modified: 2012-07-13T01:11:32+00:00