is 2 110961979 - 1
has 33402885 decimal digits
takes 487.000 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
Actual277275.843764.9351%4500000450000028.63752.7403%304.481265.8959%0.9609%
PrimeNet2728.618662.5000%4500002400000011.02915.5131%19.647664.5674%2.0674%
GPU72276137.921164.4737%7000002600000013.22684.0521%151.147965.9133%1.4396%
Difference+1+137.9227+0.4614%+3800000-21500000+15.4107-1.3118%+153.3334-0.0173%-0.0173%

Known prime factors (1 factor, 81.0 bits, 0.00007302% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
11096197924520131376346157512073432581.02011048888816387349
3 × 61 × 107 × 17519 × 32208791
2022-04-1217519322087916,256.311.27320.858

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2022-04-12T00:21:27Mikhail IvanovManual testing450000045000002581.02028.64974.057.282.740%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-05-02T12:16:00Halász AtillaGabor263264--0.018--
2010-09-20T16:00:00Mr-Plonklinux-i7-920264265--0.034--
2012-05-27T11:51:00omiXorpLLB03-z800-18265266--0.067--
2013-11-02T21:53:00ANONYMOUS266267--0.135--
2014-12-01T09:04:00g0bManual testing267268--0.269--
2015-07-31T13:45:00Judge HaleManual testing268269--0.539--
2016-01-31T14:30:22el groccoManual testing269270--1.078--
2016-02-05T16:42:05el groccoManual testing270271--2.155--
2019-01-21T21:15:53Niels_Mache_NextcloudManual testing271272--4.310--
2020-03-18T21:32:17tscManual testing272273--8.620--
2020-06-05T18:02:20TheGazManManual testing273274--17.24--
2020-09-28T09:17:02ktonyGPU72_TF274275--34.48--
2020-09-28T09:46:01LOBESGPU72_TF275276--68.96--
2020-10-25T15:25:23David HruskaManual testing276277--137.9--


ECM factoring results:
No ECM results for M110961979


Lucas-Lehmer results:
No L-L results for M110961979


PRP results:
No PRP results for M110961979


P-1 factor-bounds graph:
B1 = 4500000 (P-1 stage 1)
103
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105
106
107
103
104
105
106
107
108
TF factor-bounds graph:
277
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274
273
272
271
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267
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264
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Last modified: 2022-04-12T00:21:27+00:00