is 2 111347503 - 1
has 33518939 decimal digits
takes 488.692 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
Actual276137.443564.4737%5500000550000035.00143.2170%172.444965.6166%1.1429%
PrimeNet2728.588762.5000%4500002400000011.02915.5153%19.617864.5683%2.0683%
GPU72276137.443564.4737%7000002600000013.22684.0538%150.670365.9139%1.4402%
Difference---+4800000-20500000+21.7746-0.8368%+21.7746-0.2973%-0.2973%

Known prime factors (1 factor, 92.9 bits, 0.00008339% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
11134750389261086586028928900785276712892.85040082212973392375445
5 × 11 × 191 × 3793 × 9923 × 101374751		2021-08-27992310137475114,047,57235.20965.648

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2021-08-27T17:26:33Paul UnderwoodManual testing550000055000002892.85035.00977.470.003.217%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-05-04T09:52:00RichardFX5000_1263264--0.018--
2010-09-22T01:59:00Mr-Plonklinux-i7-920264265--0.034--
2012-05-28T16:32:00subgeniusdoorman265266--0.067--
2013-10-03T23:49:00instant28Manual testing266267--0.134--
2013-10-06T00:33:00SMoffatManual testing267268--0.268--
2013-10-10T03:35:00SMoffatManual testing268269--0.537--
2015-02-01T05:43:00S00030vd01269270--1.074--
2015-02-16T15:13:00ANONYMOUS270271--2.148--
2019-01-15T05:45:37Niels_Mache_NextcloudManual testing271272--4.295--
2020-04-20T16:01:42SRBaseManual testing272273--8.590--
2020-09-22T02:13:38storm5510Manual testing273274--17.18--
2020-11-24T00:42:18arpcarManual testing274275--34.36--
2021-02-15T14:20:20KrieselManual testing275276--68.72--


ECM factoring results:
No ECM results for M111347503


Lucas-Lehmer results:
No L-L results for M111347503


PRP results:
No PRP results for M111347503


P-1 factor-bounds graph:
B1 = 5500000 (P-1 stage 1)
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109
TF factor-bounds graph:
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Last modified: 2021-08-27T17:26:33+00:00