is 2 111470951 - 1
has 33556100 decimal digits
takes 489.234 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
Actual277274.584264.9351%4500000450000028.63752.7418%303.221765.8965%
Target276137.291364.4737%7000002600000013.22684.0543%150.518165.9140%
Difference+1+137.2929+0.4614%+3800000-21500000+15.4107-1.3125%+152.7036-0.0176%

Known prime factors (1 factor, 102.2 bits, 0.00009166% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
111470951573316577665307937128988155462331102.17725715963330451353964361
7 × 2237 × 216289 × 390877 × 19425143		2021-09-04390877194251431.503e+99.087112.579

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2021-09-01Paul UnderwoodManual testing4500000450000031102.17728.64978.557.282.742%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-05-03RichardFX5000_1263264--0.018--
2010-09-22Mr-Plonklinux-i7-920264265--0.034--
2012-05-28HardyP Germanyws-HP-Z800_3.6GHz265266--0.067--
2013-10-12Cow_tippingManual testing266267--0.134--
2014-11-08wombatmanManual testing267268--0.268--
2014-11-16SMoffatManual testing268269--0.536--
2015-05-17ANONYMOUS269270--1.073--
2015-05-27Mihai PredaManual testing270271--2.145--
2019-01-18Niels_Mache_NextcloudManual testing271272--4.290--
2020-04-20SRBaseManual testing272273--8.581--
2020-07-27jwnutterManual testing273274--17.16--
2020-11-23arpcarManual testing274275--34.32--
2020-12-14arpcarManual testing275276--68.65--
2021-01-18arpcarManual testing276277--137.3--


ECM factoring results:
No ECM results for M111470951


Lucas-Lehmer results:
No L-L results for M111470951


PRP results:
No PRP results for M111470951


P-1 factor-bounds graph:
B1 = 4500000 (P-1 stage 1)
104
105
106
107
104
105
106
107
108
TF factor-bounds graph:
277
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
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270
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290
2100
2110
Last modified: 2023-03-25T13:08:14+00:00