is 2 24727529 - 1
has 7443728 decimal digits
takes 20.057 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-LDA57FA6A17C88832double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual275309.449066.6667%600000798336005.78284.4138%315.231868.1379%1.4713%
PrimeNet2660.597262.1212%11000040000000.37864.9702%0.975964.0039%1.8827%
GPU722709.663364.2857%17000050000000.50943.6221%10.172865.5793%1.2936%
Difference+5+299.7856+2.3810%+430000+74833600+5.2733+0.7917%+305.0590+2.5586%+2.5586%

Known prime factors:
No known factors for M24727529

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2004-06-04T00:00:00ANONYMOUSv4_computers370000370000---0.435--0.987%
2021-12-08T09:25:34Sid & AndySpeck60000079833600---5.783--4.414%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2001-09-16T00:00:00Net_Forcev4_computers21256--0.000--
2001-09-10T00:00:00Jocelyn Larouchev4_computers21256--0.000--
2001-12-22T00:00:00Mattv4_computers21258--0.002--
2003-08-25T00:00:00Net_Forcev4_computers21260--0.006--
2004-02-23T00:00:00ANONYMOUSv4_computers21267--1.202--
2016-05-24T15:09:58VictordeHollanderManual testing267268--1.209--
2018-02-24T20:16:29VictordeHollanderManual testing268269--2.418--
2018-03-10T06:18:31YxinityManual testing269270--4.835--
2021-08-05T15:54:26SRBaseManual testing270271--9.67--
2021-08-30T16:43:56TheJudgerManual testing271272--19.34--
2021-08-30T16:43:56TheJudgerManual testing272273--38.68--
2021-10-01T19:53:11TheJudgerManual testing273274--77.36--
2021-10-17T20:33:25TheJudgerManual testing274275--154.7--


ECM factoring results:
No ECM results for M24727529


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2005-08-16T00:00:00ANONYMOUSv4_computersDA57FA6A17C8883220.06
2011-04-04T00:10:00Reboot Itv4_computersDA57FA6A17C8883220.06
2011-04-14T00:00:00Reboot Itv4_computersDA57FA6A17C8883220.06


PRP results:
No PRP results for M24727529


P-1 factor-bounds graph:
B1 = 600000, B2 = 79833600 (P-1 stage 2)
B1 = 600000 (P-1 stage 1)
B1 = 370000 (P-1 stage 1)
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108
TF factor-bounds graph:
275
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2100
Last modified: 2021-12-08T09:25:34+00:00