is 2 64004623 - 1
has 19267312 decimal digits
takes 155.256 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
Actual27459.774864.8649%5700005700002.00481.5889%61.779765.4231%0.5583%
PrimeNet2703.733362.8571%280000120000003.23075.2137%6.964164.7936%1.9365%
GPU7227459.774864.8649%400000140000004.01313.7910%63.787966.1968%1.3320%
Difference---+170000-13430000-2.0082-2.2021%-2.0082-0.7737%-0.7737%

Known prime factors (1 factor, 77.9 bits, 0.00012169% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
640046232793754043610793225320012477.8872182462697742000
24 × 3 × 53 × 79 × 52861 × 87103
2013-07-105286187103850.860.19250.3784

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2013-07-10T21:06:00Jwb52zClay5700005700002477.8872.005310.54.0101.589%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1999-11-17T00:00:00ANONYMOUSv4_computers21250--2.34343e-6--
1999-12-23T00:00:00ANONYMOUSv4_computers21253--1.87474e-5--
2003-08-25T00:00:00ANONYMOUSv4_computers21259--0.001--
2004-01-27T00:00:00AxelFoxv4_computers21260--0.002--
2022-03-30T07:01:44LordJuliusManual testing260263--0.023--
2009-05-06T18:45:00markrrmst263264--0.031--
2009-10-04T17:54:00ANONYMOUSCarnegie12264265--0.058--
2009-10-09T21:51:00Scott KurowskiSONY265266--0.117--
2009-10-14T19:19:00Scott KurowskiSONY266267--0.234--
2009-10-16T04:57:00Sturle Sundegofy.ifi267268--0.467--
2009-10-18T02:09:00Sturle Sundegideon.ifi268269--0.934--
2011-09-18T10:58:00america64Manual testing269270--1.868--
2012-06-08T11:06:00Al Aironeherons270271--3.736--
2013-03-01T23:40:00Jerry HallettManual testing271272--7.472--
2013-03-01T23:40:00Jerry HallettManual testing272273--14.94--
2013-07-05T16:31:00ChuckManual testing273274--29.89--


ECM factoring results:
No ECM results for M64004623


Lucas-Lehmer results:
No L-L results for M64004623


PRP results:
No PRP results for M64004623


P-1 factor-bounds graph:
B1 = 570000 (P-1 stage 1)
103
104
105
106
103
104
105
106
TF factor-bounds graph:
274
273
272
271
270
269
268
267
266
265
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263
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Last modified: 2022-03-30T07:01:44+00:00