is 2 8988949 - 1
has 2705944 decimal digits
takes 2.484 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
Actual2673.305664.1791%----3.305664.1791%0.0000%
PrimeNet2640.396062.5000%3600010000000.03553.3261%0.431463.7473%1.2473%
GPU722686.630964.7059%6000013000000.05112.3994%6.682065.5527%0.8468%
Difference-1-3.3253-0.5268%-60000-1300000-0.0511-2.3994%-3.3764-1.3736%-1.3736%

Known prime factors (2 factors, 127.5 bits, 0.00141821% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
898894912401113707345394971960.10568979775652
22 × 19 × 193 × 563 × 8353
1998-11-2856383530.02340.00040.0005
89889491915964615303612446812167.37710657333884660
22 × 3 × 5 × 47 × 3779196413
2022-06-204737791964133.694382.518154.12

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
898894923760095053630374821575152186627566545739127.482
P-1 results:
No P-1 results for M8988949


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1998-11-28T00:00:00ANONYMOUSv4_computers??60.105190.0065.4090.014
1998-11-14T00:00:00ANONYMOUSv4_computers21255--0.001--
2022-06-24T02:43:28LordJuliusManual testing2126460.105190.0235.4090.051
2022-06-24T02:43:28LordJuliusManual testing264265--0.416--
2022-06-24T02:43:28LordJuliusManual testing265266--0.831--
2022-06-24T02:43:28LordJuliusManual testing266267--1.663--
2022-06-20T10:45:33TJAOIManual testing267268*67.377210.3895.0470.790


ECM factoring results:
No ECM results for M8988949


Lucas-Lehmer results:
No L-L results for M8988949


PRP results:
dateuseridcompidcofactorsres64PRP
2019-05-13T19:18:38Niels_Mache_NextcloudSuperDry3
1240111370734539497
55EBD39B5656E2D6no
2020-10-03T07:06:34kutenshadar
1240111370734539497
55EBD39B5656E2D6no


P-1 factor-bounds graph:
100
101
102
103
100
101
102
103
104
105
106
107
108
109
1010
TF factor-bounds graph:
268
267
266
265
264
255
2
250
260
270
280
290
2100
Last modified: 2022-06-24T02:43:28+00:00