is 2 2854619441 - 1
has 859326078 decimal digits
takes 494,635.505 GHz-days to do one PRP test
0 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual27821.444758.9744%----21.444758.9744%
Target29087,837.816564.4444%150000007200000000102,122.49324.4484%189,960.309766.0261%
Difference-12-87,816.3718-5.4701%-15000000-7200000000-102,122.4932-4.4484%-189,938.8650-7.0517%

Known prime factors (6 factors, 248.6 bits, 0.00000871% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
2854619441228369555291134.4114
22
2012-08-20448.094e-130.00100.0020
2854619441913478221131136.41116
24
2012-08-2016163.329e-120.00400.0082
285461944111133015819911340.018195
3 × 5 × 13
2014-10-235137.513e-110.00140.0026
2854619441200451377147031444.1883511
3511
2014-10-23135111.116e-90.04830.0899
2854619441471354762097931445.4228256
26 × 3 × 43
2014-10-2364642.721e-90.01610.0327
28546194413087499294996791548.13354079
41 × 1319
2014-10-234113192.311e-80.02780.0337

57 Composite Factors:
P-1 results:
No P-1 results for M2854619441


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2022-01-27ramgeisr4mg31s27027134.411110.0841,007,0002.744
2022-01-27ramgeisr4mg31s27027136.411110.0841,007,00010.97
Missing TF 71 - 72
Missing TF 72 - 73
Missing TF 73 - 74
2022-02-01ramgeisr4mg31s27427540.018131.3401,007,00010.97
2022-02-01ramgeisr4mg31s27427534.411111.3401,007,0002.744
2022-02-07ramgeisr4mg31s275276--2.681--
2022-04-03ramgeisr4mg31s27627740.018135.3611,007,00010.97
2022-04-03ramgeisr4mg31s27627736.411115.3611,007,00010.97
2022-04-27ramgeisr4mg31s277278--10.72--


ECM factoring results:
No ECM results for M2854619441


Lucas-Lehmer results:
No L-L results for M2854619441


PRP results:
No PRP results for M2854619441


P-1 factor-bounds graph:
100
101
102
100
101
102
103
104
TF factor-bounds graph:
278
277
276
275
271
this exponent TF target: 90
250
260
270
280
290
Last modified: 2023-07-11T14:45:05+00:00