is 2 60003079 - 1
has 18062727 decimal digits
takes 133.299 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 LL tests remaining
ResidueStatus
L-L6026CC806725F518double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual27331.879164.3836%700000176750005.23404.6534%37.113166.0410%
Target27331.879164.3836%40000011200000020.87444.1530%52.753565.8627%
Difference---+300000-94325000-15.6404+0.5004%-15.6404+0.1782%

Known prime factors (1 factor, 69.6 bits, 0.00011596% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
600030798833002837327430334332169.5817360457983604
22 × 11 × 1637 × 102188843
2015-01-2516371021888433.432017.93933.496

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2010-11-25Nathan EdingtonMCH270000017675000---5.234--4.653%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1999-12-23ANONYMOUSv4_computers21253--1.99977e-5--
2000-09-08Jocelyn Larouchev4_computers21254--3.99954e-5--
2022-03-29LordJuliusManual testing21263--0.027--
2008-11-22Sturle Sundetrufflehunter.ifi263264--0.033--
2008-11-23Sturle Sundetrufflehunter.ifi264265--0.062--
2008-11-24Sturle Sundefizir.ifi265266--0.125--
2009-03-20marviklav266267--0.249--
2009-03-21marviklav267268--0.498--
2009-09-25trifdrake268269--0.996--
2010-11-25sannerud.comJimEmcLap269270--1.993--
2015-01-25Mark RoseManual testing269270*69.581211.442298.23.226
2012-04-11delta_tManual testing270271--3.985--
2012-11-12Thmath1776Manual testing271272--7.971--
2012-11-12Thmath1776Manual testing272273--15.94--


ECM factoring results:
No ECM results for M60003079


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2014-03-21curtiscwcm320--07l6026CC806725F518133.3


PRP results:
No PRP results for M60003079


P-1 factor-bounds graph:
B1 = 700000, B2 = 17675000 (P-1 stage 2)
B1 = 700000 (P-1 stage 1)
102
103
104
105
106
102
103
104
105
106
107
108
109
TF factor-bounds graph:
273
272
271
270
269
268
267
266
265
264
263
254
253
this exponent TF target: 73
TF double-checked to: 67.8
250
260
270
280
Last modified: 2023-06-05T21:50:05+00:00