is 2 24595609 - 1
has 7404017 decimal digits
takes 19.950 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-LB673ECA0587B1ACFdouble-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual27377.771865.7534%961000540420004.53165.3088%82.303367.5715%1.8181%
PrimeNet2660.600562.1212%11000040000000.37864.9666%0.979164.0025%1.8813%
GPU722709.715264.2857%17000050000000.50943.6194%10.224665.5784%1.2927%
Difference+3+68.0566+1.4677%+791000+49042000+4.0221+1.6894%+72.0787+1.9931%+1.9931%

Known prime factors:
No known factors for M24595609

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2005-02-12T00:00:00ANONYMOUSv4_computers370000370000---0.435--1.265%
2021-08-21T12:26:18ChuckColab96100054042000---4.532--5.309%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2001-09-16T00:00:00Net_Forcev4_computers21256--0.000--
2001-12-22T00:00:00Mattv4_computers21258--0.002--
2003-08-25T00:00:00Net_Forcev4_computers21260--0.006--
2004-02-14T00:00:00ANONYMOUSv4_computers21267--1.208--
2016-05-24T15:09:11VictordeHollanderManual testing267268--1.215--
2018-02-24T20:15:44VictordeHollanderManual testing268269--2.431--
2018-09-05T22:00:38ramgeisManual testing269270--4.861--
2021-08-05T15:55:10SRBaseManual testing270271--9.72--
2021-08-10T18:40:08Sid & AndyManual testing271272--19.44--
2021-08-10T18:40:08Sid & AndyManual testing272273--38.89--


ECM factoring results:
No ECM results for M24595609


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2005-04-11T00:00:00ANONYMOUSv4_computersB673ECA0587B1ACF19.95
2010-10-19T16:58:00lheunMac_HomeB673ECA0587B1ACF19.95


PRP results:
No PRP results for M24595609


P-1 factor-bounds graph:
B1 = 961000, B2 = 54042000 (P-1 stage 2)
B1 = 961000 (P-1 stage 1)
B1 = 370000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2021-08-21T12:26:18+00:00