is 2 2948176139 - 1
has 887489451 decimal digits
takes 510,846.585 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
Actual281166.114060.4938%----166.114060.4938%
Target291170,100.785664.8352%150000007200000000102,122.49324.1298%272,223.278866.2874%
Difference-10-169,934.6716-4.3413%-15000000-7200000000-102,122.4932-4.1298%-272,057.1648-5.7936%

Known prime factors (7 factors, 366.3 bits, 0.00001243% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
294817613958963522791032.4571
1		2012-08-20111.945e-130.00030.0005
29481761395660498186891239.04296
25 × 3		2014-10-1732323.052e-110.00800.0164
2948176139319641256990391444.8625421
3 × 13 × 139		2014-10-17131391.516e-90.00500.0066
294817613936161385104609531651.683613284
22 × 3 × 73 × 149		2014-10-173433431.221e-70.08620.1754
2948176139273745230128883611754.6044642620
22 × 3 × 5 × 77377		2014-10-175773771.512e-61.06041.9783
29481761391383176274484368335832166.90723458168869
3 × 25111 × 311393		2019-06-02251113113930.005110.22812.840
29481761391287914323057696727989212476.76921842560660140
22 × 32 × 5 × 11 × 17 × 43 × 353 × 42751		2022-04-03353427519.6400.66911.0931

120 Composite Factors:
P-1 results:
No P-1 results for M2948176139


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2021-12-30slaurpalvi2-rtx26426866.907210.0191,038,0500.039
Missing TF 68 - 69
Missing TF 69 - 70
Missing TF 70 - 71
2022-01-27ramgeisr4mg31s27127239.042120.1621,038,0500.333
2022-01-27ramgeisr4mg31s27127232.457100.1621,038,05021.31
Missing TF 72 - 73
Missing TF 73 - 74
2022-01-31ramgeisr4mg31s274275--1.298--
2022-02-06ramgeisr4mg31s275276--2.596--
2022-04-03ramgeisr4mg31s27627776.769245.1911,038,05010.66
2022-04-10ramgeisr4mg31s27727844.8621410.381,038,05021.31
2022-04-10ramgeisr4mg31s27727832.4571010.381,038,05021.31
2022-04-10ramgeisr4mg31s278279--20.76--
2022-04-14ramgeisr4mg31s279280--41.53--
2022-04-21ramgeisr4mg31s280281--83.06--


ECM factoring results:
No ECM results for M2948176139


Lucas-Lehmer results:
No L-L results for M2948176139


PRP results:
No PRP results for M2948176139


P-1 factor-bounds graph:
100
101
102
103
104
105
100
101
102
103
104
105
106
TF factor-bounds graph:
281
280
279
278
277
276
275
272
268
this exponent TF target: 91
250
260
270
280
290
2100
Last modified: 2023-07-11T14:45:05+00:00