is 2 60465463 - 1
has 18201919 decimal digits
takes 134.326 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L1CA650392E7A06F0double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual27463.273664.8649%570000115425003.76183.7982%67.035366.1994%1.3345%
PrimeNet2691.974562.3188%260000120000002.89795.6562%4.872464.4502%2.1313%
GPU7227331.635364.3836%400000140000003.67534.1570%35.310665.8641%1.4806%
Difference+1+31.6382+0.4813%+170000-2457500+0.0865-0.3589%+31.7247+0.3352%+0.3352%

Known prime factors:
No known factors for M60465463

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2013-01-21T11:12:00Kyle JohnsonThuban57000011542500---3.762--3.798%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2003-08-08T00:00:00ANONYMOUSv4_computers21260--0.003--
2016-02-23T17:06:21Mark RoseManual testing260263--0.024--
2009-05-27T15:34:00markrrmst263264--0.032--
2009-09-08T01:50:00ixfd64wkchia-ibmlap264265--0.062--
2009-09-09T16:07:00seekuaseekua-home265266--0.124--
2009-09-11T18:28:00seekuaseekua-home266267--0.247--
2009-09-18T15:43:00Nicolas Gilbert (85)trompserv267268--0.494--
2009-09-19T17:12:00stevecodyMacPro268269--0.989--
2011-07-12T18:54:00Tom DuellManual testing269270--1.977--
2012-11-02T03:30:00Nasty Yoghurt Guy270271--3.955--
2012-12-20T19:01:00AntonioKManual testing271273--23.73--
2014-07-06T19:51:00MikeBerlinManual testing273274--31.64--


ECM factoring results:
No ECM results for M60465463


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2015-10-26T09:47:18Scott Hemphillspinel1CA650392E7A06F0134.3
2022-01-02T14:18:34-Anonymous-1CA650392E7A06F0134.3


PRP results:
No PRP results for M60465463


P-1 factor-bounds graph:
B1 = 570000, B2 = 11542500 (P-1 stage 2)
B1 = 570000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2022-01-02T14:18:34+00:00