is 2 79505071 - 1
has 23933412 decimal digits
takes 248.094 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
Actual27596.244364.0000%665000126350005.95983.6986%102.204065.3315%1.3315%
PrimeNet2716.013261.9718%340000160000005.39895.2429%11.412163.9656%1.9938%
GPU7227596.244364.0000%500000170000006.32993.7799%102.574265.3607%1.3607%
Difference---+165000-4365000-0.3702-0.0812%-0.3702-0.0292%-0.0292%

Known prime factors (1 factor, 93.4 bits, 0.00011749% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
79505071131624562296815302314217074332993.41082777463526078293996
22 × 19 × 43 × 101 × 3919 × 8233 × 7772761
2016-10-028233777276129,140,6181.95143.5788

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2016-10-02T23:30:05Jwb52zClay665000126350002993.4105.960496.211.923.699%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2009-05-29T07:48:00Architects Cubedm1_17263264--0.025--
2010-11-28T18:20:00Architects Cubedm1_tt264265--0.047--
2010-12-04T14:01:00ANONYMOUS265266--0.094--
2010-12-04T20:20:00ANONYMOUS266267--0.188--
2010-12-05T10:40:00ANONYMOUS267268--0.376--
2010-12-08T07:01:00WorknPlayWnP_Dual-P4Xeon-1800268269--0.752--
2011-02-19T01:26:00searchingforprimesHarwich6b269270--1.504--
2013-01-24T20:07:00Bold_SeekerManual testing270271--3.008--
2014-01-31T02:05:00ANONYMOUSManual testing271272--6.015--
2014-01-31T02:07:00SRS TechnologyManual testing271272--6.015--
2016-08-16T00:40:16AirSquirrelsManual testing272273--12.03--
2016-08-16T01:26:16AirSquirrelsManual testing273274--24.06--
2016-08-16T02:58:16AirSquirrelsManual testing274275--48.12--


ECM factoring results:
No ECM results for M79505071


Lucas-Lehmer results:
No L-L results for M79505071


PRP results:
No PRP results for M79505071


P-1 factor-bounds graph:
B1 = 665000, B2 = 12635000 (P-1 stage 2)
B1 = 665000 (P-1 stage 1)
102
103
104
105
106
102
103
104
105
106
107
108
TF factor-bounds graph:
275
274
273
272
271
270
269
268
267
266
265
264
250
260
270
280
290
2100
Last modified: 2016-10-02T23:30:05+00:00