is 2 84358759 - 1
has 25394517 decimal digits
takes 263.240 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
Actual276181.415664.4737 %6750006750003.05421.4136 %184.469864.9759 %
Target27590.706764.0000 %5500009500000025.77233.9405 %116.479065.4186 %
Difference+1+90.7088+0.4737 %+125000-94325000-22.7181-2.5268 %+67.9908-0.4427 %

Known prime factors (1 factor, 83.0 bits, 0.00009841% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
8435875997765228177730742013096332583.01657946103840699424
25 × 32 × 73 × 29 × 367 × 2011 × 27407
2017-11-1320112740725,7550.01540.0185

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2017-11-13Oliver KruseManual testing67500067500012583.0163.5451.588%


Trial Factoring results:
5758596061626364656667686970717273747576
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-12-23Architects Cubedm1_252642650.044
2012-08-19Carsten KossendeyManual testing2652660.089
2013-02-19Juergen KampmeierManual testing2662670.177
2013-02-20LojikalS_m4lacr4m2672680.354
2013-12-12ANONYMOUS2682690.709
2013-12-14JMGarciacarriel2692701.417
2014-01-15Dogbert948Haswell2702712.835
2017-01-23Judge HaleManual testing27127317.01
2017-04-19TheJudgerManual testing273276158.7


ECM factoring results:
No ECM results for M84358759


Lucas-Lehmer results:
No L-L results for M84358759


PRP results:
No PRP results for M84358759


CERT results:
No CERT results for M84358759


P-1 factor-bounds graph:
B1 = 675000 (P-1 stage 1)
102
103
104
105
106
102
103
104
105
106
TF factor-bounds graph:
276
273
271
270
269
268
267
266
265
this exponent TF target: 75
TF double-checked to: 67
250
260
270
280
290
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Last modified: 2024-03-13T02:15:48+00:00