is 2 23516041 - 1
has 7079034 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-L90ECF21F1E840018double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual27240.667365.2778%27500068062500.74193.3428%41.409266.4385%1.1607%
PrimeNet2660.628062.1212%10000036000000.34194.7679%0.969963.9272%1.8060%
GPU7227010.161264.2857%16000045000000.46633.4851%10.627565.5304%1.2447%
Difference+2+30.5061+0.9921%+115000+2306250+0.2757-0.1422%+30.7818+0.9081%+0.9081%

Known prime factors:
No known factors for M23516041

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2004-06-04T00:00:00ANONYMOUSv4_computers2750006806250---0.742--3.343%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2001-09-10T00:00:00Net_Forcev4_computers21256--0.000--
2003-07-13T00:00:00ANONYMOUSv4_computers21260--0.007--
2003-11-28T00:00:00Rob Sartainv4_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--
2021-06-26T22:40:44-Anonymous-Manual testing270271--10.17--
2021-06-27T11:00:54-Anonymous-Manual testing271272--20.34--


ECM factoring results:
No ECM results for M23516041


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2004-06-21T00:00:00ANONYMOUSv4_computers90ECF21F1E84001819.07
2010-08-15T17:35:00JavaTheHuttcroworc8890ECF21F1E84001819.07


PRP results:
No PRP results for M23516041


P-1 factor-bounds graph:
B1 = 275000, B2 = 6806250 (P-1 stage 2)
B1 = 275000 (P-1 stage 1)
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107
TF factor-bounds graph:
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2100
Last modified: 2021-06-27T11:00:54+00:00