is 2 50570297 - 1
has 15223177 decimal digits
takes 92.642 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
Actual27475.654464.8649 %697000725914266106.80757.3003 %182.461967.4298 %
Target27337.825564.3836 %340000550000008.81373.7916 %46.639265.7340 %
Difference+1+37.8290+0.4813 %+357000+670914266+97.9938+3.5087%+135.8227+1.6959 %

Known prime factors (8 factors, 357.0 bits, 0.00070591% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
50570297404562377928.5924
22
-447.078e-131.063e-52.162e-5
50570297185087287031134.107183
3 × 61
2008-09-103614.705e-111.636e-51.636e-5
50570297598752316491135.801592
24 × 37
2008-09-1016371.021e-104.554e-58.650e-5
50570297606843564011135.821600
23 × 3 × 52
2008-09-1025251.023e-106.641e-50.0001
50570297114744180889039511753.349113450175
32 × 52 × 29 × 17387
2014-09-1929173873.120e-50.00260.0047
50570297332623316808986811754.885328872220
22 × 5 × 16443611
2014-12-205164436116.944e-52.37984.4448
50570297476250229263477591755.403470879407
470879407
2015-01-2314708794070.000268.147127.28
505702975864856203244168491859.0255798716392
23 × 3 × 7 × 23 × 1500703
2015-02-142315007030.00220.21720.4056

247 Composite Factors:
P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2022-11-23Kevin_9611F34000011008470
skipped known factor: 404562377
skipped known factor: 18508728703
skipped known factor: 59875231649
skipped known factor: 60684356401
skipped known factor: 11474418088903951
skipped known factor: 586485620324416849
--2.6393.792%
2024-03-20Naegi Makoto5950X697000725914266
skipped known factor: 404562377
skipped known factor: 18508728703
skipped known factor: 59875231649
skipped known factor: 60684356401
skipped known factor: 11474418088903951
skipped known factor: 33262331680898681
skipped known factor: 47625022926347759
skipped known factor: 586485620324416849
--106.87.949%


Trial Factoring results:
575859606162636465666768697071727374
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2008-09-10Will EdgingtonManual testing??
34.107
11
2008-09-10Will EdgingtonManual testing??
35.801
11
2008-09-10Will EdgingtonManual testing??
35.821
11
2014-09-19TJAOIManual testing253254*
53.349
17
8.28743e-6
2014-12-20TJAOIManual testing254255*
54.885
17
4.19859e-5
2015-01-23TJAOIManual testing255256*
55.403
17
3.82084e-5
2015-02-14pdazzlManual testing251261
59.025
18
0.002
2022-04-04LordJuliusManual testing261266
2019-06-17Seth_TrManual testing266268
2019-12-03Seth_TrManual testing268269
2021-08-06Seth_TrManual testing269270
2019-12-04Seth_TrManual testing270271
2021-08-06Seth_TrManual testing271272
2019-12-13Seth_TrManual testing272273
2019-12-28Seth_TrManual testing273274


ECM factoring results:
No ECM results for M50570297


Lucas-Lehmer results:
No L-L results for M50570297


PRP results:
dateuseridcompidcofactorsres64
2017-12-26ATHManual testing
404562377
18508728703
59875231649
60684356401
11474418088903951
33262331680898681
47625022926347759
586485620324416849
B1DBE64C659FC555


CERT results:
No CERT results for M50570297


P-1 factor-bounds graph:
B1 = 697000, B2 = 725914266 (P-1 stage 2)
B1 = 340000, B2 = 11008470 (P-1 stage 2)
B1 = 697000 (P-1 stage 1)
B1 = 340000 (P-1 stage 1)
100
101
102
103
104
105
106
100
101
102
103
104
105
106
107
108
109
TF factor-bounds graph:
274
273
272
271
270
269
268
266
261
this exponent TF target: 73
TF double-checked to: 67
250
260
270
280
JSON version of this page
Last modified: 2024-03-20T07:28:24+00:00