is 2 57012803 - 1
has 17162564 decimal digits
takes 120.835 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
Actual2718.385563.3803 %----8.385563.3803 %
Target27333.551164.3836 %4000006500000012.04574.0685 %45.596865.8326 %
Difference-2-25.1657-1.0033 %-400000-65000000-12.0457-4.0685 %-37.2113-2.4524 %

Known prime factors (1 factor, 97.8 bits, 0.00017154% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
570128032763016521007087006577279104633097.8022423154428144049509877
3 × 11 × 47 × 157 × 479 × 773 × 67961 × 395453
2012-02-0867961395453840,399,0980.26370.4251

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2012-02-08oodairaLinux013097.8021.8750.000%


Trial Factoring results:
5758596061626364656667686970717273
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
1999-12-08ANONYMOUSv4_computers212532.10000e-5
2000-02-23ANONYMOUSv4_computers212544.21000e-5
2000-06-11ANONYMOUSv4_computers212560.000
2001-09-22ANONYMOUSv4_computers212570.000
2002-10-19ANONYMOUSv4_computers212580.001
2003-07-30Team Prime Ribv4_computers212600.001
2022-06-27LordJuliusManual testing260263
2008-09-02Sturle Sundecelair.ifi2632640.033
2008-09-04Sturle Sundesagtinden.ifi2642650.066
2008-09-06arnaudarnaud2652670.393
2009-05-25subgeniusHDO-c12672680.524
2011-06-20rduerrManual testing2682717.340


ECM factoring results:
No ECM results for M57012803


Lucas-Lehmer results:
No L-L results for M57012803


PRP results:
No PRP results for M57012803


CERT results:
No CERT results for M57012803


P-1 factor-bounds graph:
103
104
105
103
104
105
106
TF factor-bounds graph:
271
268
267
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