is 2 76581803 - 1
has 23053420 decimal digits
takes 213.126 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2703.120261.4286%----3.120261.4286%0.0000%
PrimeNet2703.120261.4286%320000140000004.29895.5715%7.419163.5776%2.1490%
GPU7227449.957963.5135%500000180000005.86514.1937%55.823065.0437%1.5301%
Difference-4-46.8377-2.0849%-500000-18000000-5.8651-4.1937%-52.7028-3.6151%-1.5301%

Known prime factors (4 factors, 209.6 bits, 0.00027366% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
765818032354124624231237.7761537
29 × 53
-29533.186e-100.00010.0002
765818031703536169921991547.2761112233
89 × 12497
2008-09-2989124974.267e-70.00310.0051
765818031456601080763170971857.015951009916
22 × 157 × 211 × 7177
2015-05-1821171770.00030.00240.0029
765818032093450359381893573832167.5041366806654697
11 × 8647 × 14369741
2022-09-228647143697410.48743.19235.9006

11 Composite Factors:
exponentprime factorscomposite factordigitsbits*
76581803401033644587981813716381772685.052
76581803342902047190461174137449460312994.792
765818032481372626227523500978649932630332104.291
765818034928243040624058664558400511900932105.281
765818033566268407143244483574588913405521735114.780
765818033049322055999714853502166055576607715138124.520
76581803584146040129247700422485830990601980301216943142.067
76581803839544027386941106767804953294749778161961079146152.556
76581803717848413923657974648793616507534293328790639687349162.296
7658180351946304161364021490386532932992774745783739991450
49
52171.795
7658180312228807376400836237529784139833413561772318068421
74081838993727
64209.572
P-1 results:
No P-1 results for M76581803


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-09-29T07:17:00markrManual testing??47.276151.81920e-7437.63.73499e-7
2015-05-18T11:46:00TJAOIManual testing257258*57.015187.57515e-5437.60.000
2022-09-25T22:01:21LordJuliusManual testing2126757.015180.000437.60.001
2022-09-25T22:01:21LordJuliusManual testing2126747.276154.26740e-7437.68.76139e-7
2022-09-25T22:01:21LordJuliusManual testing2126737.776123.18622e-10437.66.54161e-10
2022-09-22T09:43:36TJAOIManual testing267268*67.504210.099436.80.204
2022-09-25T22:01:21LordJuliusManual testing26726867.504210.099436.80.204
2022-09-25T22:01:21LordJuliusManual testing268269--0.781--
2022-09-25T22:01:21LordJuliusManual testing269270--1.561--


ECM factoring results:
No ECM results for M76581803


Lucas-Lehmer results:
No L-L results for M76581803


PRP results:
No PRP results for M76581803


P-1 factor-bounds graph:
100
101
102
103
104
100
101
102
103
104
105
106
107
108
TF factor-bounds graph:
270
269
268
267
258
2
230
240
250
260
270
280
290
2100
Last modified: 2022-09-25T22:01:21+00:00