is 2 57751319 - 1
has 17384880 decimal digits
takes 122.401 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
Actual2704.137662.8571 %----4.137662.8571 %
Target27333.122164.3836 %4000006500000012.04574.0751 %45.167765.8350 %
Difference-3-28.9845-1.5264 %-400000-65000000-12.0457-4.0751 %-41.0302-2.9778 %

Known prime factors (1 factor, 70.0 bits, 0.00012128% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
5775131912168873636750412584792270.04410535580699681
3 × 3511860233227
2011-04-25335118602332277.7593588,0121,098,243

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2011-04-25Tom DuellManual testing2270.0442.4590.000%


Trial Factoring results:
5758596061626364656667686970717273
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
1999-12-23ANONYMOUSv4_computers212532.08000e-5
2000-03-08ANONYMOUSv4_computers212544.16000e-5
2000-06-29ANONYMOUSv4_computers212560.000
2001-09-30ANONYMOUSv4_computers212570.000
2002-12-02ANONYMOUSv4_computers212580.001
2003-09-21Team Prime Ribv4_computers212600.001
2022-06-29LordJuliusManual testing260263
2009-01-10Sturle Sundegimba.ifi2632640.034
2009-01-10Sturle Sundegehry.ifi2642650.065
2009-01-11ANONYMOUS2652670.388
2009-09-29TDH-DXLtalisman2672680.518
2011-04-25Tom DuellManual testing2682703.105


ECM factoring results:
No ECM results for M57751319


Lucas-Lehmer results:
No L-L results for M57751319


PRP results:
No PRP results for M57751319


CERT results:
No CERT results for M57751319


P-1 factor-bounds graph:
100
101
100
101
102
103
104
105
106
107
108
109
1010
1011
1012
1013
TF factor-bounds graph:
270
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
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Last modified: 2024-03-13T02:15:48+00:00