is 2 76073681 - 1
has 22900460 decimal digits
takes 210.321 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
Actual2670.390659.7015 %----0.390659.7015 %
Target27450.291663.5135 %5000009000000021.55224.1903 %71.843865.0424 %
Difference-7-49.9010-3.8120 %-500000-90000000-21.5522-4.1903 %-71.4532-5.3409 %

Known prime factors (1 factor, 69.1 bits, 0.00009087% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
760736816455343069733786507672169.1294242822869143
19 × 29 × 83 × 92773771
2010-08-2583927737712.175920.26337.845

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2010-08-25ahmeraliv4_computers2169.1295.1620.000%


Trial Factoring results:
575859606162636465666768697071727374
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-10-02ahmeraliv4_computers??
69.129
21
2000-08-10ANONYMOUSv4_computers212531.58000e-5
2003-10-14markrv4_computers212620.004
2022-06-27LordJuliusManual testing262264
2010-08-17ANONYMOUS2642650.049


ECM factoring results:
No ECM results for M76073681


Lucas-Lehmer results:
No L-L results for M76073681


PRP results:
No PRP results for M76073681


CERT results:
No CERT results for M76073681


P-1 factor-bounds graph:
100
101
102
100
101
102
103
104
105
106
107
108
TF factor-bounds graph:
265
264
262
253
this exponent TF target: 74
TF double-checked to: 67
250
260
270
280
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Last modified: 2024-03-13T02:15:48+00:00