is 2 2310167 - 1
has 695430 decimal digits
takes 0.156 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
Actual26712.862267.1642%50000005050000003.158210.9746%16.020570.7678%3.6036%
PrimeNet2580.016662.0690%100001900000.00192.9304%0.018663.1805%1.1115%
GPU722620.265964.5161%120002000000.00221.7390%0.268165.1332%0.6171%
Difference+5+12.5963+2.6481%+4988000+504800000+3.1560+9.2355%+15.7523+5.6346%+5.6346%

Known prime factors (1 factor, 39.6 bits, 0.00171319% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
23101678203541627031239.577177553
177553
-11775534.538e-80.00090.0018

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2018-02-23T18:15:27alpertronManual testing5000001500000012-
skipped known factor: 820354162703
--0.126--5.213%
2021-05-03T09:44:04ViliamF35000000505000000-
skipped known factor: 820354162703
--3.158--10.975%


Trial Factoring results:
No TF results for M2310167


ECM factoring results:

Old Calculation Method

Total ECM effort:0.266 GHz-days
Estimated T-Level:0.150
DigitsB1CurvesCompleteFacMiss
20110003 / 1000.03097.030%
25500003 / 2800.01198.932%

New Calculation Method

Total ECM effort:0.266 GHz-days
Estimated T-Level:0.150
DigitsB1CompleteFacMiss
20110000.11589.102%
25500000.01198.938%


ECM Summary

B1B2factorcurvesGHz-days
50000500000030.266


Lucas-Lehmer results:
No L-L results for M2310167


PRP results:
dateuseridcompidcofactorsres64PRP
2017-10-11T15:44:27Oliver KruseGTX-1
820354162703
08354472EFAA02__no
2017-11-22T22:01:34storm5510HP-Z220-CMT
820354162703
08354472EFAA02__no


P-1 factor-bounds graph:
B1 = 5000000, B2 = 505000000 (P-1 stage 2)
B1 = 5000000 (P-1 stage 1)
B1 = 500000, B2 = 15000000 (P-1 stage 2)
B1 = 500000 (P-1 stage 1)
100
101
102
103
104
105
106
107
100
101
102
103
104
105
106
107
108
109
TF factor-bounds graph:
267
230
240
250
260
270
280
290
2100
Last modified: 2021-05-03T09:44:04+00:00