is 2 200597 - 1
has 60386 decimal digits
takes 0.001 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
Actual267148.127473.1343%5000000080500000003.248514.0976%151.376076.9217%3.7874%
PrimeNet2400.000055.0000%2200500000.000012.6501%0.000060.6926%5.6926%
GPU722440.000059.0909%3600800000.00018.8698%0.000162.7195%3.6285%
Difference+23+148.1274+14.0434%+49996400+8049920000+3.2485+5.2278%+151.3759+14.2023%+14.2023%

Known prime factors (3 factors, 156.9 bits, 0.07821923% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
2005972808359721.4217
7
-171.395e-128.872e-91.361e-8
2005974884087612731238.8291217388
22 × 3 × 101449
2008-07-2141014492.745e-73.698e-56.902e-5
2005971247398386839740336731925047193096.655310921496044243018771947
3 × 11 × 2364001 × 3985558177214059
2021-01-26236400139855581772140591.366e+111,451,8502,711,652

4 Composite Factors:
exponentprime factorscomposite factordigitsbits*
20059713716271403998810071960.251
20059735031424862668663323241322936014612136118.076
2005976092403009303360430322114133707499694728741135.484
20059717109654822804175994738982126424660135188597203348156.905
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2021-02-27T04:42:50ViliamF3500000008050000000-
skipped known factor: 2808359
skipped known factor: 488408761273
--3.249--14.098%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-07-21T09:13:00J FeitsmaManual testing??38.829129.19857e-80.0021.90869e-7


ECM factoring results:

Old Calculation Method

Total ECM effort:12.099 GHz-days
Estimated T-Level:28.391
DigitsB1CurvesCompleteFacMiss
2011000715 / 1007.1500.076%
2550000715 / 2802.5547.745%
30250000434 / 6400.67850.730%

New Calculation Method

Total ECM effort:12.099 GHz-days
Estimated T-Level:28.391
DigitsB1CompleteFacMiss
201100050.5800.000%
25500007.1530.078%
302500000.74347.556%
3510000000.06194.120%
4030000000.00499.598%


ECM Summary

B1B2factorcurvesGHz-days
5000050000002811.372
250000250000003929.57
2500002500000070.171
25000036000000210.587
25000038500000140.403


Lucas-Lehmer results:
No L-L results for M200597


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-22T02:15:02Oliver KruseOllaptop
2808359
488408761273
9D21BA9AE3AB96__no
2017-09-22T10:02:39Oliver KruseManual testing
2808359
488408761273
9D21BA9AE3AB96__no
2017-10-12T06:54:12kkmrkkblmbrbkc4.xlarge9D21BA9AE3AB96__no
2020-04-17T19:09:03Oliver KruseAddPrpType5
2808359
488408761273
09677723CEE2C7__no
2021-01-26T08:50:21MarkSdesktop-i7
2808359
488408761273
124739838683974033673192504719
09677723CEE2C742no


P-1 factor-bounds graph:
B1 = 50000000, B2 = 8050000000 (P-1 stage 2)
B1 = 50000000 (P-1 stage 1)
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1016
TF factor-bounds graph:
267
2
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Last modified: 2022-07-11T05:44:01+00:00