is 2 974954987 - 1
has 293490696 decimal digits
takes 46,242.657 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2743.924159.4595%----3.924159.4595%0.0000%
PrimeNet281502.313862.9630%34000002600000001,195.31645.8348%1,697.630265.1240%2.1610%
GPU722858,037.022764.7059%55000002600000001,331.87374.4194%9,368.896566.2657%1.5598%
Difference-11-8,033.0986-5.2464%-5500000-260000000-1,331.8737-4.4194%-9,364.9723-6.8062%-1.5598%

Known prime factors (2 factors, 132.2 bits, 0.00001356% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
974954987292081064675989501912064.66314979207685
5 × 132 × 233 × 76081
2010-12-11233760810.00650.30020.5324
9749549872093302781798862424732167.504107353816828
22 × 89119 × 301153
2022-09-22891193011530.05776.923612.474

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
974954987611414105197022275819788737017847566234340132.167
P-1 results:
No P-1 results for M974954987


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-12-11T07:44:00lindedskynet-node050??64.663200.00394,6840.006
2010-05-23T12:21:00lindedskynet-node048263264--0.002--
2022-09-22T09:42:49TJAOIManual testing267268*67.504210.02794,6840.056
2022-09-25T22:01:49LordJuliusManual testing2127067.504210.05894,6840.118
2022-09-25T22:01:49LordJuliusManual testing2127064.663200.00794,6840.013
2022-09-25T22:01:49LordJuliusManual testing270271--0.245--
2022-09-25T22:01:49LordJuliusManual testing271272--0.491--
2022-09-25T22:01:49LordJuliusManual testing272273--0.981--
2022-09-25T22:01:49LordJuliusManual testing273274--1.962--


ECM factoring results:
No ECM results for M974954987


Lucas-Lehmer results:
No L-L results for M974954987


PRP results:
No PRP results for M974954987


P-1 factor-bounds graph:
101
102
103
104
105
101
102
103
104
105
106
TF factor-bounds graph:
274
273
272
271
270
268
264
2
250
260
270
280
290
2100
Last modified: 2022-09-25T22:01:49+00:00