is 2 86260973 - 1
has 25967141 decimal digits
takes 277.832 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
Actual2670.344559.7015%----0.344559.7015%0.0000%
PrimeNet2715.542261.9718%360000170000005.91535.3907%11.457564.0218%2.0500%
GPU7227588.706564.0000%550000190000007.26313.9513%95.969665.4225%1.4225%
Difference-8-88.3620-4.2985%-550000-19000000-7.2631-3.9513%-95.6252-5.7210%-5.7210%

Known prime factors (1 factor, 67.5 bits, 0.00007824% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
862609732068530631078761584812167.4871198995651880
23 × 5 × 13 × 107 × 21549167		2013-03-10107215491670.47355.483610.241

P-1 results:
No P-1 results for M86260973


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2013-03-10T10:53:00BClizzleManual testing??67.487210.129570.70.265
2010-11-21T01:30:00Architects Cubedm1_41264265--0.043--
2010-11-23T20:20:00Michael CManual testing264265--0.043--
2010-11-23T20:20:00Michael CManual testing265266--0.087--
2011-03-09T00:19:00Michael CManual testing266267--0.173--


ECM factoring results:
No ECM results for M86260973


Lucas-Lehmer results:
No L-L results for M86260973


PRP results:
No PRP results for M86260973


P-1 factor-bounds graph:
101
102
103
101
102
103
104
105
106
107
108
TF factor-bounds graph:
267
266
265
2
250
260
270
280
290
2100
Last modified: 2013-03-10T10:53:36+00:00