is 2 65414551 - 1
has 19691743 decimal digits
takes 158.676 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
Actual2670.454261.1940%----0.454261.1940%0.0000%
PrimeNet2703.652962.8571%280000130000003.42245.3032%7.075264.8269%1.9698%
GPU7227458.486564.8649%450000140000004.17943.8648%62.665866.2228%1.3579%
Difference-7-58.0322-3.6708%-450000-14000000-4.1794-3.8648%-62.2116-5.0288%-5.0288%

Known prime factors (1 factor, 63.7 bits, 0.00009742% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
65414551152986679375230356472063.730116936275673
7 × 6121 × 2729159		2009-01-11612127291590.02980.54330.9768

P-1 results:
No P-1 results for M65414551


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2009-01-11T00:50:00Wojciech FlorekManual testing??63.730200.005327.00.011
2003-11-08T00:00:00ANONYMOUSv4_computers21259--0.001--
2004-05-11T00:00:001997rj7v4_computers21260--0.002--


ECM factoring results:
No ECM results for M65414551


Lucas-Lehmer results:
No L-L results for M65414551


PRP results:
No PRP results for M65414551


P-1 factor-bounds graph:
102
103
104
102
103
104
105
106
107
TF factor-bounds graph:
267
260
259
2
250
260
270
280
290
2100
Last modified: 2009-01-11T00:50:17+00:00