is 2 69599419 - 1
has 20951513 decimal digits
takes 186.082 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
1 primality tests remaining
ResidueStatus
L-L4219C1199E0349__
needs double-check
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual275109.942164.0000%680000151300005.68823.7842%115.630465.3623%
Target27454.969863.5135%450000160000005.02893.9960%59.998764.9715%
Difference+1+54.9723+0.4865%+230000-870000+0.6593-0.2118%+55.6317+0.3908%

Known prime factors:
No known factors for M69599419

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2014-04-06TheJudgerManual testing68000015130000---5.688--3.784%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2000-10-22Jocelyn Larouchev4_computers21254--3.44808e-5--
2001-05-13Jocelyn Larouchev4_computers21256--0.000--
2003-09-29ANONYMOUSv4_computers21262--0.009--
2016-03-31Mark RoseManual testing262264--0.042--
2010-02-20Sturle Sundegowin.ifi264265--0.054--
2010-02-21Sturle Sundedietrich.ifi265266--0.107--
2010-02-28ANONYMOUS266267--0.215--
2010-03-06ANONYMOUS267268--0.429--
2010-03-10arnaudSRV-240268269--0.859--
2013-05-15roemer2201HPCC269270--1.718--
2014-02-03garoManual testing270271--3.436--
2014-02-03garoManual testing271272--6.872--
2014-03-05Jerry HallettManual testing272273--13.74--
2014-08-20Craig MeyersManual testing273274--27.49--
2016-05-19Travis Glenn RussoManual testing274275--54.97--


ECM factoring results:
No ECM results for M69599419


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2015-06-01curtiscwcm220a-09l4219C1199E0349__186.1


PRP results:
No PRP results for M69599419


P-1 factor-bounds graph:
B1 = 680000, B2 = 15130000 (P-1 stage 2)
B1 = 680000 (P-1 stage 1)
104
105
106
104
105
106
107
108
TF factor-bounds graph:
275
274
273
272
271
270
269
268
267
266
265
264
262
256
254
this exponent TF target: 74
TF double-checked to: 67.8
250
260
270
280
Last modified: 2023-04-26T21:34:10+00:00