is 2 1730937961 - 1
has 521064247 decimal digits
takes 170,990.226 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
Actual280141.464761.2500%----141.464761.2500%
Target28836,214.980564.7727%9000000400000000032,434.87694.2954%68,649.857466.2859%
Difference-8-36,073.5158-3.5227%-9000000-4000000000-32,434.8769-4.2954%-68,508.3927-5.0359%

Known prime factors (7 factors, 323.3 bits, 0.00001868% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
1730937961103856277671133.2743
3		2012-08-20136.658e-130.00020.0003
1730937961519281388311135.59615
3 × 5		2012-08-20352.739e-120.00040.0009
1730937961201065753549771444.1935808
24 × 3 × 112		2014-10-261211212.476e-90.01730.0353
1730937961321642891913031444.8719291
3 × 19 × 163		2014-10-26191631.518e-90.00380.0055
17309379617634648064582711549.440220535
5 × 7 × 6301		2014-10-26763014.694e-80.05010.0918
17309379611699724822218267511857.23849098375
32 × 53 × 19 × 2297		2014-10-2612522972.099e-50.03490.0364
17309379614533818071621164791858.654130964199
3 × 2579 × 16927		2014-10-262579169273.375e-50.48140.7518

120 Composite Factors:
P-1 results:
No P-1 results for M1730937961


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2022-01-17ramgeisr4mg31s26826933.274110.035347,62772.37
2022-01-17ramgeisr4mg31s26826935.596110.035347,627144.7
Missing TF 69 - 70
Missing TF 70 - 71
Missing TF 71 - 72
Missing TF 72 - 73
2022-01-18ramgeisr4mg31s273274--1.105--
2022-01-18ramgeisr4mg31s274275--2.210--
2022-01-19ramgeisr4mg31s275276--4.421--
2022-01-22ramgeisr4mg31s276277--8.842--
2022-01-30ramgeisr4mg31s27727833.2741117.68347,62772.37
2022-01-30ramgeisr4mg31s27727844.1931417.68347,627144.7
2022-02-10ramgeisr4mg31s27827933.2741135.37347,62772.37
2022-02-10ramgeisr4mg31s27827944.8711435.37347,62772.37
2022-04-18ramgeisr4mg31s27928044.1931470.73347,627144.7
2022-04-18ramgeisr4mg31s27928035.5961170.73347,627144.7


ECM factoring results:
No ECM results for M1730937961


Lucas-Lehmer results:
No L-L results for M1730937961


PRP results:
No PRP results for M1730937961


P-1 factor-bounds graph:
100
101
102
103
104
100
101
102
103
104
105
TF factor-bounds graph:
280
279
278
277
276
275
274
269
this exponent TF target: 88
250
260
270
280
290
Last modified: 2023-07-11T14:45:05+00:00