is 2 1474591259 - 1
has 443896201 decimal digits
takes 119,196.127 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
Actual280166.057261.2500%----166.057261.2500%
Target28721,255.342464.3678%8000000320000000021,321.24674.3661%42,576.589165.9236%
Difference-7-21,089.2852-3.1178%-8000000-3200000000-21,321.2467-4.3661%-42,410.5319-4.6736%

Known prime factors (7 factors, 341.9 bits, 0.00002319% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
147459125929491825191031.4581
1
2012-08-20111.945e-130.00010.0002
14745912591887476811531237.45864
26
2012-08-2064641.431e-110.00750.0153
147459125916279487499371340.566552
23 × 3 × 23
2019-06-308231.306e-100.00100.0019
14745912598450145209699511549.586286525
52 × 73 × 157
2019-06-30731576.115e-80.00910.0174
147459125924974768759955671651.149846837
32 × 23 × 4091
2019-06-302340912.601e-70.02870.0488
1474591259299441383536031431754.73310153369
17 × 53 × 59 × 191
2019-06-30591912.747e-60.00780.0141
14745912591503386098078165525241512476.99350976366803425
52 × 7 × 137873 × 2112767
2022-04-23137873211276719.89228.77132.888

120 Composite Factors:
P-1 results:
No P-1 results for M1474591259


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2019-06-302125540.566133.25493e-6242,58384.95
2019-06-302125537.458123.25493e-6242,58384.95
2019-06-302125551.149163.25493e-682,2146.68545e-6
2019-06-302125531.458103.25493e-6242,5831.327
2019-06-302125554.733173.25493e-682,2146.68545e-6
2019-06-302125549.586153.25493e-682,2146.68545e-6
TF systematically completed to 64 but no per-exponent detailed record exists
2022-01-27ramgeisr4mg31s26826937.458120.041242,58384.95
2022-01-27ramgeisr4mg31s26826931.458100.041242,5831.327
2022-01-29ramgeisr4mg31s27227340.566130.649242,58384.95
2022-01-29ramgeisr4mg31s27227331.458100.649242,5831.327
2022-01-31ramgeisr4mg31s273274--1.297--
2022-02-03ramgeisr4mg31s274275--2.595--
2022-04-03ramgeisr4mg31s275276--5.189--
2022-04-23ramgeisr4mg31s27627776.9932410.38242,58321.24
2022-05-02ramgeisr4mg31s277278--20.76--
2022-05-04ramgeisr4mg31s27827940.5661341.51242,58384.95
2022-05-04ramgeisr4mg31s27827937.4581241.51242,58384.95
2022-05-03ramgeisr4mg31s279280--83.03--


ECM factoring results:
No ECM results for M1474591259


Lucas-Lehmer results:
No L-L results for M1474591259


PRP results:
No PRP results for M1474591259


P-1 factor-bounds graph:
100
101
102
103
104
105
106
100
101
102
103
104
105
106
107
TF factor-bounds graph:
280
279
278
277
276
275
274
273
269
255
this exponent TF target: 87
250
260
270
280
290
Last modified: 2023-07-11T14:45:05+00:00