is 2 2971550797 - 1
has 894525924 decimal digits
takes 514,896.840 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
Actual2680.020152.9412%----0.020152.9412%
Target291168,762.747764.8352%150000007200000000102,122.49324.1330%270,885.240966.2885%
Difference-23-168,762.7276-11.8940%-15000000-7200000000-102,122.4932-4.1330%-270,885.2208-13.3473%

Known prime factors (7 factors, 387.0 bits, 0.00001302% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
2971550797475448127531135.4698
23		2012-08-20881.570e-120.00200.0041
2971550797119143437740475911753.4042004735
3 × 5 × 133649		2019-07-2851336494.759e-71.83073.4169
2971550797124821298710335691753.4712100272
24 × 131267		2019-07-28161312676.653e-71.80073.3560
2971550797231146179484744871754.3603889319
7 × 19 × 29243		2019-07-2819292431.036e-60.40480.7476
29715507976519205358821860711859.177109693655
5 × 31 × 412 × 421		2019-09-21168116813.538e-50.42240.8596
2971550797272551149434973876792064.5634586008587
3 × 17 × 19 × 227 × 20849		2022-01-15227208490.00130.33930.5329
29715507971069888259461447951132166.53618002186948
22 × 31 × 145178927		2022-01-15311451789270.00941,987.33,711.8

120 Composite Factors:
P-1 results:
No P-1 results for M2971550797


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2019-07-2825325453.404177.21078e-8174,8801.53848e-7
2019-07-2825325453.471172.61511e-7174,8805.57957e-7
2019-07-2825425554.360172.28822e-7174,8804.88212e-7
2019-09-21slaurpalvi2-rtx2126459.177180.001164,3320.003
2022-01-15slaurpalvi2-rtx26426866.536210.0191,046,1500.039
2022-01-15slaurpalvi2-rtx26426864.563200.0191,046,1500.039
Missing TF 68 - 69
Missing TF 69 - 70
Missing TF 70 - 71
Missing TF 71 - 72
Missing TF 72 - 73
Missing TF 73 - 74
2022-01-18ramgeisr4mg31s274275--1.288--
2022-01-19ramgeisr4mg31s275276--2.575--
2022-01-20ramgeisr4mg31s276277--5.150--
2022-01-23ramgeisr4mg31s277278--10.30--
2022-02-01ramgeisr4mg31s278279--20.60--
2022-02-10ramgeisr4mg31s279280--41.20--
2022-04-20ramgeisr4mg31s280281--82.40--


ECM factoring results:
No ECM results for M2971550797


Lucas-Lehmer results:
No L-L results for M2971550797


PRP results:
No PRP results for M2971550797


P-1 factor-bounds graph:
100
101
102
103
104
100
101
102
103
104
105
106
107
108
109
TF factor-bounds graph:
281
280
279
278
277
276
275
268
264
255
254
this exponent TF target: 91
250
260
270
280
290
2100
Last modified: 2023-07-11T14:45:05+00:00