is 2 57249133 - 1
has 17233707 decimal digits
takes 121.336 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
Actual2718.350863.3803 %----8.350863.3803 %
Target27333.412664.3836 %4000006500000012.04574.0707 %45.458365.8334 %
Difference-2-25.0618-1.0033 %-400000-65000000-12.0457-4.0707 %-37.1074-2.4531 %

Known prime factors (1 factor, 71.9 bits, 0.00012556% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
5724913343594705621758029979912271.88538074555314015
3 × 5 × 11 × 5347 × 43155953
2012-05-2753474315595316.4067.241413.496

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2012-05-27Craig MeyersManual testing2271.8852.4590.000%


Trial Factoring results:
5758596061626364656667686970717273
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
1999-12-23ANONYMOUSv4_computers212532.10000e-5
2000-03-08ANONYMOUSv4_computers212544.19000e-5
2000-06-28ANONYMOUSv4_computers212560.000
2001-09-22ANONYMOUSv4_computers212570.000
2002-11-02ANONYMOUSv4_computers212580.001
2003-08-25Team Prime Ribv4_computers212600.001
2022-06-27LordJuliusManual testing260263
2008-09-21Sturle Sundehoffman.ifi2632640.033
2008-09-21Sturle Sundekinner.ifi2642650.065
2008-09-22Sturle Sundehummel.ifi2652660.131
2008-09-22Numberwanghallowes2662670.261
2009-06-04curtiscwde2610-04l2672680.522
2011-04-24Per Jessenbeaufort42682691.044
2011-06-17shaugeManual testing2692716.265


ECM factoring results:
No ECM results for M57249133


Lucas-Lehmer results:
No L-L results for M57249133


PRP results:
No PRP results for M57249133


CERT results:
No CERT results for M57249133


P-1 factor-bounds graph:
102
103
104
102
103
104
105
106
107
108
TF factor-bounds graph:
271
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
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Last modified: 2024-03-13T02:15:48+00:00