is 2 65699773 - 1
has 19777603 decimal digits
takes 159.368 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L7365447EBB1B16F2double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual275116.467865.3333%595000117512504.23063.5097%120.698466.5500%1.2167%
PrimeNet2703.637062.8571%280000130000003.42245.3061%7.059464.8280%1.9708%
GPU7227458.232664.8649%450000150000004.37103.9188%62.603566.2417%1.3769%
Difference+1+58.2353+0.4685%+145000-3248750-0.1403-0.4091%+58.0949+0.3083%-0.1602%

Known prime factors:
No known factors for M65699773

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2014-01-23T07:27:00BdotHeizer59500011751250---4.231--3.510%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2003-11-16T00:00:00ANONYMOUSv4_computers21259--0.001--
2004-07-13T00:00:001997rj7v4_computers21260--0.002--
2016-03-29T13:01:05Mark RoseManual testing260263--0.022--
2009-01-20T06:46:00Wojciech FlorekManual testing263264--0.030--
2009-12-31T10:29:00ANONYMOUSSew264265--0.057--
2010-01-09T05:17:00mikaelal265266--0.114--
2010-01-14T20:01:00PVasilevrtvcrklm0266267--0.227--
2010-02-10T05:04:00Tommy BoucherSidney267268--0.455--
2010-02-12T14:04:00Tommy BoucherSidney268269--0.910--
2012-01-26T14:46:00longmuirHome269270--1.820--
2012-06-28T21:34:00Arne KleppestrandArne2270271--3.640--
2014-01-13T04:58:00kdgehmanManual testing271272--7.279--
2014-01-13T04:58:00kdgehmanManual testing272273--14.56--
2014-01-13T04:58:00kdgehmanManual testing273274--29.12--
2021-08-09T15:12:17tottenhoffManual testing274275--58.24--


ECM factoring results:
No ECM results for M65699773


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2015-01-24T01:33:00curtiscgrn229--22l7365447EBB1B16__159.4
2022-09-13T15:13:04lajo321dsp0657365447EBB1B16F2159.4


PRP results:
No PRP results for M65699773


P-1 factor-bounds graph:
B1 = 595000, B2 = 11751250 (P-1 stage 2)
B1 = 595000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2022-09-13T15:13:04+00:00