is 2 110988389 - 1
has 33410835 decimal digits
takes 487.116 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
Actual277275.778164.9351%7670002013800011.59753.5492%287.375566.1796%1.2445%
PrimeNet2728.616562.5000%4500002400000011.02915.5132%19.645664.5675%2.0675%
GPU72276137.888264.4737%7000002600000013.22684.0522%151.115065.9133%1.4396%
Difference+1+137.8898+0.4614%+67000-5862000-1.6293-0.5030%+136.2605+0.2663%-0.1951%

Known prime factors (1 factor, 127.1 bits, 0.00011452% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
11098838918274541239772718117547258623873993271339127.103823263649667566492813372515204
22 × 32 × 59 × 1283 × 2251 × 6911 × 27611 × 673397 × 1044451
2021-11-2667339710444511.332e+94.41418.7216

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2021-11-26T04:33:59GyuriE55707670002013800039127.10311.60974.223.193.549%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-05-03T04:22:00garonorth263264--0.018--
2010-09-20T16:34:00Donna NoblePH9500264265--0.034--
2012-05-27T11:56:00omiXorpLLB03-z800-22265266--0.067--
2013-10-04T01:14:00SMoffatManual testing266267--0.135--
2013-10-06T00:44:00SMoffatManual testing267268--0.269--
2013-10-10T03:23:00SMoffatManual testing268269--0.539--
2014-07-29T18:12:00Ryan PropperManual testing269270--1.077--
2014-07-29T23:29:00Ryan PropperManual testing270271--2.155--
2019-01-20T11:18:13Niels_Mache_NextcloudManual testing271272--4.309--
2020-03-18T21:32:10tscManual testing272273--8.618--
2020-06-05T18:02:14TheGazManManual testing273274--17.24--
2020-09-08T05:19:03ktonyGPU72_TF274275--34.47--
2020-09-08T05:46:02ktonyGPU72_TF275276--68.94--
2020-11-22T00:14:11David HruskaManual testing276277--137.9--


ECM factoring results:
No ECM results for M110988389


Lucas-Lehmer results:
No L-L results for M110988389


PRP results:
No PRP results for M110988389


P-1 factor-bounds graph:
B1 = 767000, B2 = 20138000 (P-1 stage 2)
B1 = 767000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2021-11-26T04:34:00+00:00