is 2 52722407 - 1
has 15871026 decimal digits
takes 101.002 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
Actual2692.264462.3188 %----2.264462.3188 %
Target27336.281464.3836 %3600006000000010.02613.9090 %46.307665.7758 %
Difference-4-34.0170-2.0647 %-360000-60000000-10.0261-3.9090 %-44.0431-3.4570 %

Known prime factors (1 factor, 69.9 bits, 0.00013251% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
5272240710728896185519944997432269.86210174892228953
37 × 601 × 1093 × 418633
2011-05-2510934186332.97770.06620.1183

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2011-05-25GuloGuloAMD_Phenom_II_X4_9652269.8621.7220.000%


Trial Factoring results:
5758596061626364656667686970717273
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
1999-12-01ANONYMOUSv4_computers212532.28000e-5
2000-02-23ANONYMOUSv4_computers212544.55000e-5
2000-05-10ANONYMOUSv4_computers212560.000
2001-07-07ANONYMOUSv4_computers212570.000
2002-05-18ANONYMOUSv4_computers212580.001
2003-12-021997rj7v4_computers212590.001
2004-03-161997rj7v4_computers212600.001
2008-04-07ANONYMOUSv4_computers212630.019
2008-11-13DerekManual testing212640.036
2008-12-14Genesis_1_1Intel-e8400a2642650.071
2009-02-16biszczukstacja422652660.142
2009-02-18biszczukstacja422662670.283
2009-04-21KonradWORK22672680.567
2010-04-05BranMuffinPicard2682691.134


ECM factoring results:
No ECM results for M52722407


Lucas-Lehmer results:
No L-L results for M52722407


PRP results:
No PRP results for M52722407


CERT results:
No CERT results for M52722407


P-1 factor-bounds graph:
102
103
104
102
103
104
105
106
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