is 2 76097513 - 1
has 22907635 decimal digits
takes 211.778 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
Actual275100.554064.0000 %665000133000005.46143.7175 %106.015465.3383 %
Target27450.275863.5135 %5000009000000021.69484.1904 %71.970665.0425 %
Difference+1+50.2782+0.4865 %+165000-76700000-16.2334-0.4730 %+34.0448+0.2958 %

Known prime factors (1 factor, 104.0 bits, 0.00013670% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
760975132061748442398924941731478924499932104.024135467531139876078586923
32 × 74353 × 204781 × 408379 × 2420701
2015-05-0240837924207012.323e+92.09043.3539

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2015-05-02aurashiftusslcburnin296650001330000012232104.0245.5334.095%


Trial Factoring results:
57585960616263646566676869707172737475
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2000-08-10ANONYMOUSv4_computers212531.58000e-5
2003-10-14markrv4_computers212620.004
2022-06-27LordJuliusManual testing262264
2010-12-28S485122Q67-W2642691.522
2010-12-29S485122Q67-W2692701.571
2013-02-11Clown_RoyalManual testing2702713.142
2015-04-29Jerry HallettManual testing27127594.27


ECM factoring results:
No ECM results for M76097513


Lucas-Lehmer results:
No L-L results for M76097513


PRP results:
No PRP results for M76097513


CERT results:
No CERT results for M76097513


P-1 factor-bounds graph:
B1 = 665000, B2 = 13300000 (P-1 stage 2)
B1 = 665000 (P-1 stage 1)
104
105
106
104
105
106
107
108
TF factor-bounds graph:
275
271
270
269
264
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253
this exponent TF target: 74
TF double-checked to: 67
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Last modified: 2024-03-13T02:15:48+00:00