is 2 117780511 - 1
has 35455467 decimal digits
takes 543.917 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
Actual277259.874664.9351%1000000478066680180.74276.1548%440.617367.0932%
Target276129.936664.4737%80000022400000086.78624.2085%216.722865.9688%
Difference+1+129.9381+0.4614%+200000+254066680+93.9565+1.9463%+223.8946+1.1244%

Known prime factors (1 factor, 127.7 bits, 0.00010844% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
11778051127995443895775246016769706888420260048939127.7181188458245684434414483466916204
22 × 13 × 96017 × 170341 × 483733 × 733651 × 3937477
2023-04-2673365139374771.258e+96.08159.998

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2023-04-26Mihai Predax2100000047806668039127.718180.71,088361.56.155%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-05-12subgeniusdobbs-cpu0263264--0.017--
2010-10-12Charles A. Morrischandra264265--0.032--
2012-07-09OS1corner3265266--0.063--
2014-12-11vwflat4j-laptop266267--0.127--
2015-03-22chorian11Manual testing267268--0.254--
2015-03-22chorian11Manual testing268269--0.508--
2015-03-22chorian11Manual testing269270--1.015--
2015-03-22chorian11Manual testing270271--2.030--
2015-09-19sourcebinary.comManual testing271272--4.061--
2019-12-05Niels_Mache_NextcloudManual testing272273--8.121--
2019-12-05Niels_Mache_NextcloudManual testing273274--16.24--
2021-02-24hktManual testing274275--32.48--
2021-07-02TheJudgerManual testing275276--64.97--
2022-05-08TheJudgerManual testing276277--129.9--


ECM factoring results:
No ECM results for M117780511


Lucas-Lehmer results:
No L-L results for M117780511


PRP results:
No PRP results for M117780511


P-1 factor-bounds graph:
B1 = 1000000, B2 = 478066680 (P-1 stage 2)
B1 = 1000000 (P-1 stage 1)
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106
104
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109
TF factor-bounds graph:
277
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275
274
273
272
271
270
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267
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265
264
this exponent TF target: 76
TF double-checked to: 67.9
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Last modified: 2023-07-11T14:45:05+00:00