is 2 2940257531 - 1
has 885105712 decimal digits
takes 509,474.485 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
Actual281166.561460.4938%----166.561460.4938%
Target291170,558.895664.8352%150000007200000000102,122.49324.1287%272,681.388966.2870%
Difference-10-170,392.3343-4.3413%-15000000-7200000000-102,122.4932-4.1287%-272,514.8275-5.7932%

Known prime factors (7 factors, 322.4 bits, 0.00001096% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
294025753158805150631032.4531
1		2012-08-20111.951e-130.00030.0005
29402575311470128765511237.09725
52		2012-08-2025256.598e-120.00630.0128
294025753119758530608331340.846336
24 × 3 × 7		2014-10-2416168.967e-110.00400.0082
294025753120287776963911340.884345
3 × 5 × 23		2014-10-245239.074e-110.00150.0026
2940257531216638174884091444.3003684
22 × 3 × 307		2014-10-2443071.412e-90.00520.0078
294025753125227409615980011651.164429000
23 × 3 × 53 × 11 × 13		2014-10-241251251.458e-70.03140.0639
2940257531584854604664481077770812375.6309945635688340
22 × 5 × 11 × 1061 × 42608327		2022-02-061061426083273.2221583.511,089.4

120 Composite Factors:
P-1 results:
No P-1 results for M2940257531


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2022-01-27ramgeisr4mg31s26927037.097120.0411,035,31021.37
2022-01-27ramgeisr4mg31s26927032.453100.0411,035,31010.69
Missing TF 70 - 71
Missing TF 71 - 72
Missing TF 72 - 73
2022-01-29ramgeisr4mg31s27327440.846130.6511,035,31021.37
2022-01-29ramgeisr4mg31s27327440.884130.6511,035,31021.37
2022-01-29ramgeisr4mg31s27327432.453100.6511,035,31010.69
2022-01-31ramgeisr4mg31s274275--1.301--
2022-02-06ramgeisr4mg31s27527675.630232.6031,035,3105.343
2022-02-16ramgeisr4mg31s27627744.300145.2051,035,31010.69
2022-02-16ramgeisr4mg31s27627732.453105.2051,035,31010.69
2022-02-16ramgeisr4mg31s27727837.0971210.411,035,31021.37
2022-02-16ramgeisr4mg31s27727840.8461310.411,035,31021.37
2022-02-16ramgeisr4mg31s27727840.8841310.411,035,31021.37
2022-02-26ramgeisr4mg31s278279--20.82--
2022-02-26ramgeisr4mg31s279280--41.64--
2022-04-21ramgeisr4mg31s280281--83.28--


ECM factoring results:
No ECM results for M2940257531


Lucas-Lehmer results:
No L-L results for M2940257531


PRP results:
No PRP results for M2940257531


P-1 factor-bounds graph:
100
101
102
103
104
100
101
102
103
104
105
106
107
108
TF factor-bounds graph:
281
280
279
278
277
276
275
274
270
this exponent TF target: 91
250
260
270
280
290
2100
Last modified: 2023-07-11T14:45:05+00:00