is 2 111409393 - 1
has 33537570 decimal digits
takes 488.963 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
Actual276137.367264.4737%5500000550000035.00143.2172%172.368665.6166%
Target276137.367264.4737%7000002600000013.22684.0541%150.594065.9139%
Difference---+4800000-20500000+21.7746-0.8369%+21.7746-0.2973%

Known prime factors (1 factor, 78.0 bits, 0.00007004% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
1114093933083549259033907654903932478.0291383882083907372
22 × 32 × 7 × 391019 × 14044319		2021-09-1039101914044319729.307.22239.0948

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2021-09-10Ernst W. MayerManual testing550000055000002478.02935.00977.970.003.217%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-05-03Donna NobleHTPC-V64263264--0.018--
2010-09-22Mr-Plonklinux-i7-920264265--0.034--
2012-05-31Richard172.26.176.16265266--0.067--
2014-11-09vwflat4VM-101266267--0.134--
2014-11-23webbertManual testing267268--0.268--
2015-02-07JustinManual testing268269--0.537--
2016-02-14proxy2222Manual testing269270--1.073--
2016-02-28workerthreadManual testing269270--1.073--
2016-02-28proxy2222Manual testing270271--2.146--
2016-03-08workerthreadManual testing270271--2.146--
2019-01-14Niels_Mache_NextcloudManual testing271272--4.293--
2020-04-20SRBaseManual testing272273--8.586--
2020-09-04atrenchGPU72_TF273274--17.17--
2020-11-24arpcarManual testing274275--34.34--
2020-12-14arpcarManual testing275276--68.68--


ECM factoring results:
No ECM results for M111409393


Lucas-Lehmer results:
No L-L results for M111409393


PRP results:
No PRP results for M111409393


P-1 factor-bounds graph:
B1 = 5500000 (P-1 stage 1)
104
105
106
107
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