is 2 52827097 - 1
has 15902541 decimal digits
takes 101.203 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
Actual2692.260062.3188 %----2.260062.3188 %
Target27336.209564.3836 %3600006000000010.02613.9100 %46.235765.7762 %
Difference-4-33.9496-2.0647 %-360000-60000000-10.0261-3.9100 %-43.9757-3.4573 %

Known prime factors (1 factor, 74.0 bits, 0.00014004% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
52827097186351213369683730425112373.980176378434508415
3 × 5 × 349 × 2969 × 11347981
2011-09-0629691134798154.1981.72523.2077

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2011-09-06Konstantin2373.9803.6490.000%


Trial Factoring results:
5758596061626364656667686970717273
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
1999-12-01ANONYMOUSv4_computers212532.27000e-5
2000-02-23ANONYMOUSv4_computers212544.54000e-5
2000-05-10ANONYMOUSv4_computers212560.000
2001-07-17ANONYMOUSv4_computers212570.000
2002-06-09ANONYMOUSv4_computers212580.001
2003-12-131997rj7v4_computers212590.001
2004-03-261997rj7v4_computers212600.001
2008-06-22ANONYMOUSv4_computers212630.019
2008-11-29DerekManual testing212640.037
2009-02-14lindedkctz74p2642650.071
2009-02-17lindedkctz74p2652660.141
2009-02-20lindedkctz74p2662670.283
2009-04-25raymondfrtf0212672680.566
2010-03-30S00030vd132682691.132


ECM factoring results:
No ECM results for M52827097


Lucas-Lehmer results:
No L-L results for M52827097


PRP results:
No PRP results for M52827097


CERT results:
No CERT results for M52827097


P-1 factor-bounds graph:
102
103
104
102
103
104
105
106
107
108
TF factor-bounds graph:
269
268
267
266
265
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