is 2 607775587 - 1
has 182958683 decimal digits
takes 18,380.991 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
Actual2733.147358.9041%----3.147358.9041%0.0000%
PrimeNet279201.444762.0253%2200000150000000449.59935.7661%651.044064.2150%2.1897%
GPU722833,223.120163.8554%3400000150000000499.35524.3105%3,722.475365.4134%1.5580%
Difference-10-3,219.9728-4.9513%-3400000-150000000-499.3552-4.3105%-3,719.3280-6.5093%-1.5580%

Known prime factors (4 factors, 229.9 bits, 0.00003782% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
6077755878666879870631239.657713
23 × 31
-23311.391e-100.00100.0021
6077755873194201550234189611858.148262778040
23 × 33 × 5 × 7 × 34759
2015-08-1327347598.615e-50.08420.1551
607775587275850300891724229832064.58122693433793
3 × 19121 × 395611
2017-11-14191213956110.00991.73801.7654
6077755872093753861414946962392167.505172247282237
1049 × 164201413
2022-09-2210491642014130.0746392.35732.73

11 Composite Factors:
exponentprime factorscomposite factordigitsbits*
6077755872768376111845983869331969015433097.805
6077755872390761420105713466666666786892932104.237
60777558718146313195551038478146954675605733107.161
607775587881121458740913191479757786111438066337122.729
6077755876687871829940444180674690181792798767938125.653
607775587577562632664522593583202351087520726093740132.085
607775587763657383434176260366014357955723555881740136276949162.385
6077755875796298174026425822121059518889170296700277539677750165.310
60777558750056659550682197880650968607345234703744103212580
31
52171.742
60777558718448514566143578661277628108348415500978915399458
00426457
58190.233
60777558715989105953633412960585907809019596696008962893561
23027726344298925791
70229.890
P-1 results:
No P-1 results for M607775587


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2015-08-13T11:29:00TJAOIManual testing258259*58.148182.29735e-537,6074.70033e-5
2017-11-14T13:42:11TJAOIManual testing264265*64.581200.00437,6070.008
2022-07-12T20:48:37LordJuliusManual testing2126564.581200.01037,6070.020
2022-07-12T20:48:37LordJuliusManual testing2126558.148188.61507e-537,6070.000
2022-07-12T20:48:37LordJuliusManual testing2126539.657121.39098e-1037,6072.84591e-10
2022-09-22T09:43:56TJAOIManual testing267268*67.505210.02637,6070.053
2022-09-25T22:01:36LordJuliusManual testing26527067.505210.06337,6070.128
2022-09-25T22:01:36LordJuliusManual testing270271--0.393--
2022-09-25T22:01:36LordJuliusManual testing271272--0.787--
2022-09-25T22:01:36LordJuliusManual testing272273--1.574--


ECM factoring results:
No ECM results for M607775587


Lucas-Lehmer results:
No L-L results for M607775587


PRP results:
No PRP results for M607775587


P-1 factor-bounds graph:
100
101
102
103
104
105
100
101
102
103
104
105
106
107
108
109
TF factor-bounds graph:
273
272
271
270
268
265
259
230
240
250
260
270
280
290
2100
Last modified: 2022-09-25T22:01:36+00:00