is 2 964182143 - 1
has 290247747 decimal digits
takes 45,731.695 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
Actual27615.872560.5263%----15.872560.5263%
Target2858,126.820764.7059%55000002600000001,331.87374.4143%9,458.694466.2639%
Difference-9-8,110.9482-4.1796%-5500000-260000000-1,331.8737-4.4143%-9,442.8219-5.7375%

Known prime factors (7 factors, 308.9 bits, 0.00003203% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
96418214319283642871030.8451
1		2008-05-13111.484e-136.877e-50.0001
964182143231403714331134.43012
22 × 3		2008-05-13442.380e-120.00030.0006
964182143694211142971136.01536
22 × 32		2008-05-13999.569e-120.00060.0013
9641821436479304000971239.237336
24 × 3 × 7		2012-03-1816168.148e-110.00110.0022
9641821431051672030655831546.58054537
3 × 73 × 53		2008-05-133433431.754e-80.02360.0480
96418214321166112075993211650.9111097620
22 × 5 × 54881		2008-05-135548812.458e-70.20600.3841
96418214321101376297237664984072270.8381094262969421
1094262969421		2013-01-26110942629694210.39284,100,2197,658,066

120 Composite Factors:
P-1 results:
No P-1 results for M964182143


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2012-03-18AxonManual testing??39.237125.52423e-12100,9221.21910e-11
2013-01-26Never Odd Or EvenManual testing??70.838220.145100,9220.320
2021-08-06Seth_TrManual testing266267--0.016--
2019-06-17Seth_TrManual testing267268--0.031--
2019-06-18Seth_TrManual testing268269--0.062--
2019-06-20Seth_TrManual testing269270--0.124--
2021-08-06Seth_TrManual testing270271
skipped known factors(?)
--0.248--
2019-06-23Seth_TrManual testing271272--0.496--
2019-12-07Seth_TrManual testing272273--0.992--
2021-08-06Seth_TrManual testing273274--1.984--
2019-12-17Seth_TrManual testing274275--3.968--
2023-03-22LordJuliusManual testing27527675.252234.102100,9069.051


ECM factoring results:
No ECM results for M964182143


Lucas-Lehmer results:
No L-L results for M964182143


PRP results:
No PRP results for M964182143


P-1 factor-bounds graph:
100
101
102
103
100
101
102
103
104
105
106
107
108
109
1010
1011
1012
1013
TF factor-bounds graph:
276
275
274
273
272
271
270
269
268
267
2
this exponent TF target: 85
TF double-checked to: 67.7
250
260
270
280
290
Last modified: 2023-03-25T13:08:14+00:00