is 2 949789331 - 1
has 285915079 decimal digits
takes 45,049.036 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual27864.452761.5385%----64.452761.5385%
Target2858,249.972064.7059%550000020800000008,151.43904.4074%16,401.411066.2614%
Difference-7-8,185.5193-3.1674%-5500000-2080000000-8,151.4390-4.4074%-16,336.9583-4.7230%

Known prime factors (7 factors, 389.7 bits, 0.00004103% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
94978933118995786631030.8231
1		2008-06-01111.506e-136.877e-50.0001
9497893311899578662011237.467100
22 × 52		2008-06-0125251.969e-110.00170.0035
9497893319799090502646731549.800515856
24 × 3 × 11 × 977		2014-05-14169771.308e-70.00470.0068
94978933138950097973435073211961.7562050459860
22 × 3 × 5 × 19 × 1798649		2016-05-271917986490.00056.740812.588
9497893311370176913934542206312166.89372130569865
5 × 313 × 457 × 100853		2020-11-244571008530.02280.40760.7058
94978933123793473059573923988972271.0111252565820808
23 × 156570727601		2023-03-2481565707276010.5195586,6731,095,741
94978933144991693254063388293272271.9302368509088573
43 × 67 × 113 × 1433 × 5077		2023-03-24143350770.94950.11220.2006

120 Composite Factors:
P-1 results:
No P-1 results for M949789331


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2014-05-14TJAOIManual testing??49.800155.18879e-899,6801.14812e-7
2016-05-27TJAOIManual testing261262*61.756190.00099,6800.000
2022-08-12J.R. AllenManual testing262266--0.015--
2020-11-24TJAOIManual testing266267*66.893210.00799,6800.016
2022-03-26Lisander ViaeneManual testing267268--0.031--
2023-03-24mikrManual testing26727371.011220.48899,6791.080
2023-03-24mikrManual testing26727368.290210.04999,6800.108
2023-03-24mikrManual testing26727371.930220.91899,6792.032
2023-03-24mikrManual testing273276--14.10--
2023-03-24mikrManual testing276278--48.34--


ECM factoring results:
No ECM results for M949789331


Lucas-Lehmer results:
No L-L results for M949789331


PRP results:
No PRP results for M949789331


P-1 factor-bounds graph:
100
101
102
103
104
100
101
102
103
104
105
106
107
108
109
1010
1011
1012
TF factor-bounds graph:
278
276
273
268
267
266
262
2
this exponent TF target: 85
TF double-checked to: 67.8
250
260
270
280
290
Last modified: 2023-06-05T21:50:05+00:00