is 2 1646046271 - 1
has 495509302 decimal digits
takes 162,604.224 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
Actual280148.760461.2500%----148.760461.2500%
Target28838,082.698964.7727%9000000360000000029,313.27974.2023%67,395.978666.2531%
Difference-8-37,933.9385-3.5227%-9000000-3600000000-29,313.2797-4.2023%-67,247.2182-5.0031%

Known prime factors (7 factors, 378.8 bits, 0.00002302% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
16460462711481441643911237.10845
32 × 5		2012-08-20991.232e-110.00130.0026
1646046271107848951675931443.2943276
22 × 32 × 7 × 13		2019-07-069131.281e-90.00130.0026
164604627110789504097150811649.939327740
22 × 5 × 7 × 2341		2019-07-06723416.075e-80.01920.0341
1646046271160060749289829931753.8294861976
23 × 72 × 79 × 157		2019-07-06791578.262e-70.01190.0230
1646046271586259559943932471755.70217808113
17808113		2019-10-081178081133.700e-6138.97259.57
1646046271272677725933543659272064.5648282808653
7 × 1183258379		2021-06-24711832583790.00449,234.117,247
1646046271250432025027171580393112374.4077607077317305
5 × 1521415463461		2022-02-03515214154634614.012211,873,11622,175,674

120 Composite Factors:
P-1 results:
No P-1 results for M1646046271


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2019-07-072125543.294142.91589e-691,6886.04122e-6
2019-07-072125549.939162.91589e-691,6886.04122e-6
2019-07-072125553.829172.91589e-691,6886.04122e-6
2019-10-0825525655.702177.84514e-794,0681.62538e-6
TF systematically completed to 64 but no per-exponent detailed record exists
2021-06-24slaursekunda-rtx206026426864.564200.034330,8550.070
2022-02-01ramgeisr4mg31s273274--1.162--
2022-02-03ramgeisr4mg31s27427574.407232.324330,8554.763
2022-02-16ramgeisr4mg31s275276--4.649--
2022-02-15ramgeisr4mg31s276277--9.298--
2022-02-20ramgeisr4mg31s277278--18.60--
2022-02-20ramgeisr4mg31s278279--37.19--
2022-04-14ramgeisr4mg31s279280--74.38--


ECM factoring results:
No ECM results for M1646046271


Lucas-Lehmer results:
No L-L results for M1646046271


PRP results:
No PRP results for M1646046271


P-1 factor-bounds graph:
100
101
102
100
101
102
103
104
105
106
107
108
109
1010
1011
1012
1013
TF factor-bounds graph:
280
279
278
277
276
275
274
268
256
255
this exponent TF target: 88
250
260
270
280
290
Last modified: 2023-07-11T14:45:05+00:00