is 2 57583133 - 1
has 17334251 decimal digits
takes 122.044 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
Actual27333.218864.3836 %----33.218864.3836 %
Target27333.218864.3836 %4000006500000012.04574.0736 %45.264565.8344 %
Difference----400000-65000000-12.0457-4.0736 %-12.0457-1.4509 %

Known prime factors (1 factor, 92.4 bits, 0.00016047% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
5758313365460418161276859787372364472892.40356839924080960356731
131 × 173 × 39239 × 196657 × 325019
2012-09-0819665732501927,035,3630.62591.2300

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2012-09-08oodairaLinux012892.4031.6600.000%


Trial Factoring results:
5758596061626364656667686970717273
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
1999-12-23ANONYMOUSv4_computers212532.08000e-5
2000-03-08ANONYMOUSv4_computers212544.17000e-5
2000-06-28ANONYMOUSv4_computers212560.000
2001-09-30ANONYMOUSv4_computers212570.000
2002-11-24ANONYMOUSv4_computers212580.001
2003-08-25Team Prime Ribv4_computers212600.001
2022-06-28LordJuliusManual testing260263
2009-01-09Sturle Sundeginy.ifi2632640.034
2009-01-10Sturle Sundecorbusier.ifi2642650.065
2009-01-10kgsdaddynewreality2652660.130
2009-03-27arnaudSRV-3302662670.260
2009-05-28Sturle Sundebakeng.ifi2672680.519
2011-04-27JAMcomfort2682691.038
2011-06-21UngelovendeManual testing26927214.53
2012-08-30Craig MeyersManual testing27227316.61


ECM factoring results:
No ECM results for M57583133


Lucas-Lehmer results:
No L-L results for M57583133


PRP results:
No PRP results for M57583133


CERT results:
No CERT results for M57583133


P-1 factor-bounds graph:
104
105
106
104
105
106
TF factor-bounds graph:
273
272
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
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Last modified: 2024-03-13T02:15:48+00:00