is 2 111120577 - 1
has 33450627 decimal digits
takes 487.696 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual276137.724264.4737%5500000550000035.00143.2162%172.725665.6163%
Target276137.724264.4737%7000002600000013.22684.0528%150.951065.9135%
Difference---+4800000-20500000+21.7746-0.8366%+21.7746-0.2972%

Known prime factors (1 factor, 76.2 bits, 0.00006856% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
111120577856229024155582573373212376.180385270238542580
22 × 5 × 379 × 3547 × 14329633
2021-08-07354714329633188.404.98979.2796

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2021-08-05Paul UnderwoodManual testing550000055000002376.18035.00975.470.003.216%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-05-022knarfChipzilla263264--0.018--
2010-09-21oilwarzonedotcomb2bwebserver264265--0.034--
2012-05-31omiXorpLLB16-T5500-19265266--0.067--
2014-11-15GornostaevZmeGorMini266267--0.134--
2015-02-03Brandon VincentManual testing267268--0.269--
2015-02-04cianozManual testing268269--0.538--
2015-02-06Brandon VincentManual testing269270--1.076--
2015-02-07Brandon VincentManual testing270271--2.152--
2019-01-20Niels_Mache_NextcloudManual testing271272--4.304--
2020-08-16TomManual testing272273--8.608--
2020-08-17atrenchGPU72_TF273274--17.22--
2020-11-25arpcarManual testing274275--34.43--
2020-12-21arpcarManual testing275276--68.86--


ECM factoring results:
No ECM results for M111120577


Lucas-Lehmer results:
No L-L results for M111120577


PRP results:
No PRP results for M111120577


P-1 factor-bounds graph:
B1 = 5500000 (P-1 stage 1)
102
103
104
105
106
107
102
103
104
105
106
107
108
TF factor-bounds graph:
276
275
274
273
272
271
270
269
268
267
266
265
264
this exponent TF target: 76
TF double-checked to: 67.7
250
260
270
280
Last modified: 2023-03-22T19:22:03+00:00