is 2 458446481 - 1
has 138006143 decimal digits
takes 10,139.945 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
Actual2734.172460.2740%----4.172460.2740%0.0000%
PrimeNet278133.530362.8205%1700000120000000261.22975.7246%394.760064.9489%2.1284%
GPU722822,136.491064.6341%2600000120000000288.52124.2574%2,425.012266.1398%1.5057%
Difference-9-2,132.3185-4.3602%-2600000-120000000-288.5212-4.2574%-2,420.8397-5.8659%-1.5057%

Known prime factors (2 factors, 133.4 bits, 0.00002909% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
458446481669029816263021889212065.85972967057660
22 × 5 × 7 × 521193269
2014-09-1775211932690.0228910.691,700.9
4584464812094055737139047408892167.505228386062924
22 × 347 × 164543273
2022-09-223471645432730.1140287.52536.99

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
4584464811400985725062663750478304874186003149076941133.364
P-1 results:
No P-1 results for M458446481


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-03-28T13:54:00Architects CubedManual testing263264--0.004--
2011-12-02T11:40:00LingUaanRoadRunner264265--0.008--
2014-09-17T14:04:00vwflat4VM-10126526665.859200.00720,7730.014
2022-09-22T09:44:16TJAOIManual testing267268*67.505210.04920,7720.101
2022-09-25T22:01:33LordJuliusManual testing2126967.505210.11420,7720.234
2022-09-25T22:01:33LordJuliusManual testing2126965.859200.02320,7730.047
2022-09-25T22:01:33LordJuliusManual testing269270--0.261--
2022-09-25T22:01:33LordJuliusManual testing270271--0.522--
2022-09-25T22:01:33LordJuliusManual testing271272--1.043--
2022-09-25T22:01:33LordJuliusManual testing272273--2.086--


ECM factoring results:
No ECM results for M458446481


Lucas-Lehmer results:
No L-L results for M458446481


PRP results:
No PRP results for M458446481


P-1 factor-bounds graph:
100
101
102
103
100
101
102
103
104
105
106
107
108
109
TF factor-bounds graph:
273
272
271
270
269
268
266
265
264
250
260
270
280
290
2100
Last modified: 2022-09-25T22:01:33+00:00