is 2 23516089 - 1
has 7079049 decimal digits
takes 19.074 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-LC47A7D876FDCBA6Edouble-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual27010.161264.2857%1200000768000006.25567.4457%16.416866.9449%2.6592%
PrimeNet2660.628062.1212%10000036000000.34194.7679%0.969963.9272%1.8060%
GPU7227010.161264.2857%16000045000000.46633.4851%10.627465.5304%1.2447%
Difference---+1040000+72300000+5.7893+3.9607%+5.7893+1.4145%+1.4145%

Known prime factors (1 factor, 70.5 bits, 0.00029961% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
2351608916194506909834609968732270.45634432823650724
22 × 1175411 × 7323571
2021-05-051175411732357112.1071.77642.8135

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2004-08-20T00:00:00ANONYMOUSv4_computers340000340000---0.400--1.743%
2021-05-05T08:51:22firejugglerMaison1200000768000002270.4566.25638.1512.517.446%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2001-09-10T00:00:00Net_Forcev4_computers21256--0.000--
2003-07-13T00:00:00ANONYMOUSv4_computers21260--0.007--
2003-12-23T00:00:00Bogiatzoulesv4_computers21267--1.264--
2016-06-10T01:52:44VictordeHollanderManual testing267268--1.271--
2018-01-05T17:22:16VictordeHollanderManual testing268269--2.542--
2018-08-26T21:57:25ramgeisManual testing269270--5.084--


ECM factoring results:
No ECM results for M23516089


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2004-09-16T00:00:00ANONYMOUSv4_computersC47A7D876FDCBA6E19.07
2010-04-08T08:05:00Roberto QuezadaOficinaC47A7D876FDCBA6E19.07


PRP results:
No PRP results for M23516089


P-1 factor-bounds graph:
B1 = 1200000, B2 = 76800000 (P-1 stage 2)
B1 = 1200000 (P-1 stage 1)
B1 = 340000 (P-1 stage 1)
104
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104
105
106
107
108
TF factor-bounds graph:
270
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267
260
256
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260
270
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2100
Last modified: 2021-05-05T08:51:22+00:00