is 2 4058526473 - 1
has 1221738207 decimal digits
takes 1,018,201.618 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
Actual282241.335660.9756%----241.335660.9756%
Target292247,127.661165.2174%200000009600000000197,146.23064.2419%444,273.891766.6928%
Difference-10-246,886.3255-4.2418%-20000000-9600000000-197,146.2306-4.2419%-444,032.5561-5.7172%

Known prime factors (7 factors, 321.7 bits, 0.00000793% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
40585264731217557941911236.82515
3 × 5
2012-08-20352.336e-120.00110.0022
405852647337338443551611341.764460
22 × 5 × 23
2019-07-025237.906e-110.00220.0037
405852647378491901987831342.836967
967
2019-07-0219671.880e-100.01950.0357
4058526473160311795683511443.8661975
52 × 79
2019-07-0225794.915e-100.01020.0185
405852647315726221889168791650.482193743
32 × 11 × 19 × 103
2019-07-02191034.778e-80.00860.0141
405852647318771171960801771650.737231256
23 × 137 × 211
2019-07-021372115.948e-80.05130.1014
4058526473399484900434392471755.1494921551
32 × 17 × 19 × 1693
2019-10-041916932.340e-60.04010.0628

120 Composite Factors:
P-1 results:
No P-1 results for M4058526473


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2019-07-0223623736.825128.05596e-142,069,740123.6
2019-07-0224124241.764136.87442e-122,069,74030.89
2019-07-0224224342.836134.36525e-112,069,74061.78
2019-07-0224324443.866142.02795e-102,069,740123.6
2019-07-0225025150.482161.08231e-8239,3412.31394e-8
2019-07-0225025150.737162.25261e-8239,3414.81601e-8
TF systematically completed to 64 but no per-exponent detailed record exists
2019-10-0525525655.149171.15728e-6239,3412.47423e-6
2022-01-18ramgeisr4mg31s275276--1.885--
2022-01-19ramgeisr4mg31s276277--3.771--
2022-01-21ramgeisr4mg31s277278--7.542--
2022-01-27ramgeisr4mg31s27827936.8251215.082,069,740123.6
2022-01-27ramgeisr4mg31s27827941.7641315.082,069,74030.89
2022-02-01ramgeisr4mg31s27928036.8251230.172,069,740123.6
2022-02-01ramgeisr4mg31s27928042.8361330.172,069,74061.78
2022-02-13ramgeisr4mg31s28028136.8251260.332,069,740123.6
2022-02-13ramgeisr4mg31s28028143.8661460.332,069,740123.6
2022-04-18ramgeisr4mg31s281282--120.7--


ECM factoring results:
No ECM results for M4058526473


Lucas-Lehmer results:
No L-L results for M4058526473


PRP results:
No PRP results for M4058526473


P-1 factor-bounds graph:
100
101
102
103
100
101
102
103
104
TF factor-bounds graph:
282
281
280
279
278
277
276
256
251
244
243
242
237
this exponent TF target: 92
250
260
270
280
290
2100
Last modified: 2023-07-11T14:45:05+00:00