is 2 57467503 - 1
has 17299443 decimal digits
takes 121.799 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
Actual27333.285764.3836 %----33.285764.3836 %
Target27333.285764.3836 %4000006500000012.04574.0726 %45.331365.8341 %
Difference----400000-65000000-12.0457-4.0726 %-12.0457-1.4505 %

Known prime factors (1 factor, 100.0 bits, 0.00017410% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
57467503131119592839433435286078256836131100.04911408151215429826078060
22 × 32 × 5 × 73 × 2221 × 5783 × 56377 × 255179
2012-09-05563772551792.437e+90.20650.3526

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2012-09-05jimmychauOffice_i731100.0491.6440.000%


Trial Factoring results:
5758596061626364656667686970717273
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
1999-12-23ANONYMOUSv4_computers212532.09000e-5
2000-03-08ANONYMOUSv4_computers212544.18000e-5
2000-06-28ANONYMOUSv4_computers212560.000
2001-09-22ANONYMOUSv4_computers212570.000
2002-11-16ANONYMOUSv4_computers212580.001
2003-08-25Team Prime Ribv4_computers212600.001
2022-06-27LordJuliusManual testing260263
2009-01-09Sturle Sundemorovan.ifi2632640.034
2009-01-10Sturle Sundebruch.ifi2642650.065
2009-01-10Sturle Sundegibsy.ifi2652660.130
2009-01-10ANONYMOUS2662670.260
2009-05-31AvernonExcalibur2672680.520
2011-04-26ANONYMOUS2682691.040
2011-06-17David CampeauManual testing2692702.081
2011-10-21XyzzyManual testing2702714.161
2011-11-11XyzzyManual testing2712728.322
2012-08-29ChuckManual testing27227316.64


ECM factoring results:
No ECM results for M57467503


Lucas-Lehmer results:
No L-L results for M57467503


PRP results:
No PRP results for M57467503


CERT results:
No CERT results for M57467503


P-1 factor-bounds graph:
103
104
105
103
104
105
106
TF factor-bounds graph:
273
272
271
270
269
268
267
266
265
264
263
260
258
257
256
254
253
this exponent TF target: 73
TF double-checked to: 67
250
260
270
280
290
2100
2110
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Last modified: 2024-03-13T02:15:48+00:00