is 2 23644717 - 1
has 7117770 decimal digits
takes 19.178 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-LA03BAB4E8DD7F1E8double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual274161.806466.2162%27500064625000.71992.6738%162.526367.1195%
Target27010.105964.2857%160000225000001.61973.4877%11.725665.5313%
Difference+4+151.7005+1.9305%+115000-16037500-0.8998-0.8139%+150.8007+1.5882%

Known prime factors:
No known factors for M23644717

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2004-06-04Randall W. Andersonv4_computers2750006462500---0.720--2.674%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2001-09-10Net_Forcev4_computers21256--0.000--
2003-08-08ANONYMOUSv4_computers21260--0.006--
2003-10-31jkolonkov4_computers21267--1.257--
2004-11-22jkolonkov4_computers21267--1.257--
2016-06-29VictordeHollanderManual testing267268--1.264--
2018-01-12VictordeHollanderManual testing268269--2.528--
2018-09-05ramgeisManual testing269270--5.057--
2021-08-05SRBaseManual testing270271--10.11--
2021-09-06TheJudgerManual testing271272--20.23--
2021-09-06TheJudgerManual testing272273--40.45--
2021-09-16TheJudgerManual testing273274--80.91--


ECM factoring results:
No ECM results for M23644717


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2004-06-12Randall W. Andersonv4_computersA03BAB4E8DD7F1E819.18
2010-02-20Andrey PyaivehomeA03BAB4E8DD7F1E819.18


PRP results:
No PRP results for M23644717


P-1 factor-bounds graph:
B1 = 275000, B2 = 6462500 (P-1 stage 2)
B1 = 275000 (P-1 stage 1)
104
105
106
104
105
106
107
TF factor-bounds graph:
274
273
272
271
270
269
268
267
260
256
this exponent TF target: 70
TF double-checked to: 67.9
250
260
270
280
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Last modified: 2023-10-02T12:12:48+00:00