is 2 52805869 - 1
has 15896151 decimal digits
takes 101.162 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
Actual2670.562761.1940 %----0.562761.1940 %
Target27336.224164.3836 %3600006000000010.02613.9098 %46.250265.7761 %
Difference-6-35.6614-3.1895 %-360000-60000000-10.0261-3.9098 %-45.6875-4.5821 %

Known prime factors (1 factor, 69.0 bits, 0.00013065% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
528058695866438766944816069932168.9915554722304584
23 × 32 × 991 × 77849567
2008-12-20991778495671.296411.78522.006

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2008-12-20binarydigitsv4_computers2168.9913.1260.000%


Trial Factoring results:
5758596061626364656667686970717273
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2008-12-30binarydigitsv4_computers??
68.991
21
1999-12-01ANONYMOUSv4_computers212532.27000e-5
2000-02-23ANONYMOUSv4_computers212544.54000e-5
2000-05-10ANONYMOUSv4_computers212560.000
2001-07-07ANONYMOUSv4_computers212570.000
2002-05-25ANONYMOUSv4_computers212580.001
2003-12-131997rj7v4_computers212590.001
2004-03-261997rj7v4_computers212600.001
2008-06-02ANONYMOUSv4_computers212630.019
2008-11-28DerekManual testing212640.037


ECM factoring results:
No ECM results for M52805869


Lucas-Lehmer results:
No L-L results for M52805869


PRP results:
No PRP results for M52805869


CERT results:
No CERT results for M52805869


P-1 factor-bounds graph:
101
102
103
101
102
103
104
105
106
107
108
TF factor-bounds graph:
264
263
260
259
258
257
256
254
253
this exponent TF target: 73
TF double-checked to: 67
250
260
270
280
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Last modified: 2024-03-13T02:15:48+00:00