is 2 53000179 - 1
has 15954644 decimal digits
takes 101.535 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
Actual27218.044063.8889%----18.044063.8889%
Target27336.091364.3836%360000120000002.76173.9116%38.852965.7767%
Difference-1-18.0473-0.4947%-360000-12000000-2.7617-3.9116%-20.8090-1.8878%

Known prime factors (3 factors, 132.8 bits, 0.00025066% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
5300017943460146791032.01741
41		-1411.089e-118.832e-61.146e-5
5300017989040300731033.05284
22 × 3 × 7		2008-09-10472.198e-111.157e-52.261e-5
530001792534883786612605132332167.7802391391722104
23 × 73 × 11 × 19 × 4169849		2021-06-2934341698491.04940.63201.1787

4 Composite Factors:
P-1 results:
No P-1 results for M53000179


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-09-10Will EdgingtonManual testing??33.052103.92567e-13241.99.35352e-13
2021-06-29mikrManual testing234269
skipped known factors(?)
--2.253--
2021-06-29mikrManual testing23426967.780211.049240.82.489
2022-04-05LordJuliusManual testing269270--2.256--
2021-06-29mikrManual testing270272--13.54--


ECM factoring results:
No ECM results for M53000179


Lucas-Lehmer results:
No L-L results for M53000179


PRP results:
No PRP results for M53000179


P-1 factor-bounds graph:
100
101
102
103
100
101
102
103
104
105
106
107
TF factor-bounds graph:
272
270
269
2
this exponent TF target: 73
TF double-checked to: 67.7
250
260
270
280
Last modified: 2023-03-25T13:08:14+00:00