is 2 2901817951 - 1
has 873534246 decimal digits
takes 502,813.849 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
Actual281168.767860.4938%----168.767860.4938%
Target291172,818.242164.8352%150000007200000000102,122.49324.1234%274,940.735466.2851%
Difference-10-172,649.4744-4.3413%-15000000-7200000000-102,122.4932-4.1234%-274,771.9676-5.7913%

Known prime factors (7 factors, 416.1 bits, 0.00001434% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
2901817951522327231191135.6049
32		2012-08-20991.611e-120.00230.0046
290181795170165958055191342.6741209
3 × 13 × 31		2019-02-0113313.793e-100.00350.0066
2901817951154111076774329558012063.7412655422900
22 × 52 × 13 × 19 × 107507		2019-05-21251075070.00091.47762.7485
2901817951336684294131542450572064.8685801264928
25 × 33 × 37 × 89 × 2039		2019-05-218920390.00190.04910.0521
29018179516043722093027135239932169.034104136823796
22 × 53 × 421 × 1166773		2019-12-2242111667730.064316.07229.831
29018179516195497645802220297372169.070106752004268
22 × 72 × 13 × 41896391		2019-12-2249418963910.0714573.521,071.2
290181795125620715829800083617932271.118441459737696
25 × 13795616803		2022-01-2732137956168030.2574188,845352,710

120 Composite Factors:
P-1 results:
No P-1 results for M2901817951


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2021-12-18slaurpalvi2-rtx26426864.868200.0191,021,7500.040
Missing TF 68 - 69
2022-01-27ramgeisr4mg31s26927069.034210.0411,021,7500.085
2022-01-27ramgeisr4mg31s26927069.070210.0411,021,7500.085
2019-12-22Karl-Heinz_HofmannALDI26927169.034210.1241,021,7500.085
2019-12-22Karl-Heinz_HofmannALDI26927169.070210.1241,021,7500.085
2022-01-27ramgeisr4mg31s27127271.118220.1651,021,7500.338
Missing TF 72 - 73
Missing TF 73 - 74
2022-01-31ramgeisr4mg31s274275--1.319--
2022-02-15ramgeisr4mg31s275276--2.637--
2022-02-16ramgeisr4mg31s276277--5.274--
2022-02-16ramgeisr4mg31s277278--10.55--
2022-02-26ramgeisr4mg31s27827935.6041121.101,021,75043.32
2022-02-26ramgeisr4mg31s27827942.6741321.101,021,75043.32
2022-02-26ramgeisr4mg31s279280--42.19--
2022-04-20ramgeisr4mg31s280281--84.38--


ECM factoring results:
No ECM results for M2901817951


Lucas-Lehmer results:
No L-L results for M2901817951


PRP results:
No PRP results for M2901817951


P-1 factor-bounds graph:
100
101
102
103
100
101
102
103
104
105
106
107
108
109
1010
1011
TF factor-bounds graph:
281
280
279
278
277
276
275
272
271
270
268
this exponent TF target: 91
250
260
270
280
290
2100
Last modified: 2023-07-11T14:45:05+00:00