is 2 62617189 - 1
has 18849653 decimal digits
takes 147.092 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
Actual2680.951961.7647%----0.951961.7647%0.0000%
PrimeNet2703.816162.8571%260000120000003.06435.1489%6.880364.7696%1.9125%
GPU7227461.099364.8649%400000130000003.70073.7265%64.800066.1742%1.3093%
Difference-6-60.1474-3.1002%-400000-13000000-3.7007-3.7265%-63.8481-4.4095%-4.4095%

Known prime factors (5 factors, 254.2 bits, 0.00040591% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
62617189184094535671134.100147
3 × 72
-49493.771e-110.00020.0003
62617189439572666791135.355351
33 × 13
2008-09-1127277.865e-119.197e-50.0002
626171893785116275123558231858.3933022425899
3022425899
2015-09-01130224258990.0011560.891,047.6
626171895320040399688887771858.8844248067092
22 × 3 × 354005591
2015-10-0843540055910.000665.695122.70
626171892001177764882659649032167.4391597946024759
7 × 228278003537
2022-08-0372282780035370.920842,36379,122

26 Composite Factors:
exponentprime factorscomposite factordigitsbits*
626171898092292598592867939932169.455
6261718969681922312583142423005706412892.493
6261718997939036712636700647689175592892.984
62617189166383365516629382791495218172993.748
62617189233854434592178188338791615832994.240
62617189368405891419201660122823015900131101.539
62617189879663046830322313352042536713731102.795
6261718920136971501177248810189508273529847136117.277
626171897574690527272740485373498547176568016938125.833
6261718910646346556134859715230360880259259363139126.324
6261718930630268417995775888479000614031497123939127.848
6261718943051323550617429396131651165112871656139128.339
6261718916194116015228565155298451204239752922767942136.895
62617189370710641830924847807989749032110055376059605746151.377
62617189885166226384671288397035667707428365640794780946152.633
62617189139445913546222263110324464156588987857537821282349159.932
62617189195993422583355058917592171333786082166799443177749160.423
62617189332962691518222976082722774557459462818855478875149161.188
62617189467984294725073271990634971130965450482814392144949161.679
6261718940297659620231702339402923249704816267342020480515
563313
56184.717
6261718916295426543705216364303293985102743838242909719954
4884703
57186.732
6261718961296612090480706125474364691489589542484828704347
028424817
59195.288
6261718986153351438264794313843561598818939365446092836708
660858583
59195.779
6261718974185789363742637799860339006950556152989918454401
4291031522187471
66218.816
6261718917713749704660948035032824669194439166942505527647
02339959449747527
67220.072
6261718932610045268541568632913667506838716313843421686985
871204059738789968179578809
77254.172
P-1 results:
No P-1 results for M62617189


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-09-11T05:24:00Will EdgingtonManual testing??35.355115.55373e-12303.31.14525e-11
2015-09-01T11:43:00TJAOIManual testing258259*58.393180.000303.30.001
2015-10-08T11:53:03TJAOIManual testing258259*58.884182.54841e-5303.35.25511e-5
2022-08-10T19:29:27LordJuliusManual testing2126634.100113.77132e-11303.37.77692e-11
2022-08-10T19:29:27LordJuliusManual testing2126658.393180.001303.30.002
2022-08-10T19:29:27LordJuliusManual testing2126635.355117.86542e-11303.31.62195e-10
2022-08-10T19:29:27LordJuliusManual testing2126658.884180.001303.30.001
2022-08-10T19:29:27LordJuliusManual testing266267--0.239--
2022-08-03T11:16:09TJAOIManual testing267268*67.439210.446302.40.917
2022-08-10T19:29:27LordJuliusManual testing26726867.439210.446302.40.917


ECM factoring results:
No ECM results for M62617189


Lucas-Lehmer results:
No L-L results for M62617189


PRP results:
No PRP results for M62617189


P-1 factor-bounds graph:
100
101
102
100
101
102
103
104
105
106
107
108
109
1010
1011
1012
TF factor-bounds graph:
268
267
266
259
2
230
240
250
260
270
280
290
2100
Last modified: 2022-08-10T19:29:27+00:00