is 2 52659449 - 1
has 15852074 decimal digits
takes 100.882 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual2681.131961.7647 %----1.131961.7647 %
Target27336.324864.3836 %3600006000000010.02613.9084 %46.351065.7756 %
Difference-5-35.1929-2.6189 %-360000-60000000-10.0261-3.9084 %-45.2191-4.0109 %

Known prime factors (1 factor, 73.0 bits, 0.00013872% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
5265944997597809374181655187272273.04792668847877787
31 × 47 × 139 × 3851 × 118819
2010-10-02385111881948.6470.02810.0336

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2010-10-02LarryGLarry_newlaptop2273.0471.9050.000%


Trial Factoring results:
5758596061626364656667686970717273
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
1999-12-01ANONYMOUSv4_computers212532.28000e-5
2000-02-23ANONYMOUSv4_computers212544.56000e-5
2000-05-10ANONYMOUSv4_computers212560.000
2001-07-03ANONYMOUSv4_computers212570.000
2002-05-18ANONYMOUSv4_computers212580.001
2003-12-021997rj7v4_computers212590.001
2004-03-161997rj7v4_computers212600.001
2008-03-03ANONYMOUSv4_computers212630.019
2008-11-17DerekManual testing212640.036
2008-12-11tmorrowteapot2642660.213
2008-12-13tmorrowteapot2662670.284
2009-04-25arnaudSRV-3302672680.568


ECM factoring results:
No ECM results for M52659449


Lucas-Lehmer results:
No L-L results for M52659449


PRP results:
No PRP results for M52659449


CERT results:
No CERT results for M52659449


P-1 factor-bounds graph:
102
103
104
102
103
104
105
106
TF factor-bounds graph:
268
267
266
264
263
260
259
258
257
256
254
253
this exponent TF target: 73
TF double-checked to: 67
250
260
270
280
JSON version of this page
Last modified: 2024-03-13T02:15:48+00:00