is 2 110281357 - 1
has 33197997 decimal digits
takes 484.013 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
Actual276138.772364.4737%5500000550000035.00143.2133%173.773765.6152%1.1416%
PrimeNet2728.671862.5000%4500002400000011.02915.5091%19.700864.5659%2.0659%
GPU72276138.772364.4737%7000002600000013.22684.0491%151.999165.9122%1.4385%
Difference---+4800000-20500000+21.7746-0.8358%+21.7746-0.2969%-0.2969%

Known prime factors (1 factor, 102.4 bits, 0.00009290% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
110281357691436828863775835705089387216931102.44731348763185049302381412
22 × 317 × 448531 × 1545169 × 35672431
2021-12-131545169356724311.720e+921.66623.101

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2021-12-13T14:02:09pfrakesManual testing5500000550000031102.44735.00968.070.003.213%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-05-04T18:18:00EPF263264--0.018--
2010-09-17T22:10:00Mr-Plonklinux-i7-920264265--0.034--
2012-05-26T18:16:00sasaki3MATE_J2265266--0.068--
2014-12-02T08:40:00g0bManual testing266267--0.136--
2015-08-02T01:28:00Ilya AlexandrovManual testing267268--0.271--
2015-08-02T01:28:00Ilya AlexandrovManual testing268269--0.542--
2015-08-02T01:28:00Ilya AlexandrovManual testing269270--1.084--
2015-08-02T01:28:00Ilya AlexandrovManual testing270271--2.168--
2015-08-02T01:28:00Ilya AlexandrovManual testing271272--4.337--
2020-02-10T01:24:31erick84mmManual testing272273--8.673--
2020-04-04T21:54:21Jan S.Manual testing273274--17.35--
2020-05-01T19:14:56tscManual testing274275--34.69--
2020-05-09T12:37:00KrieselManual testing275276--69.39--


ECM factoring results:
No ECM results for M110281357


Lucas-Lehmer results:
No L-L results for M110281357


PRP results:
No PRP results for M110281357


P-1 factor-bounds graph:
B1 = 5500000 (P-1 stage 1)
105
106
107
105
106
107
108
TF factor-bounds graph:
276
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273
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271
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2100
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Last modified: 2021-12-13T14:02:09+00:00