is 2 24695977 - 1
has 7434230 decimal digits
takes 20.031 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L0DC78E771EE23959double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual274154.918666.2162%1200000684000005.71745.1825%160.635967.9671%1.7508%
PrimeNet2660.598062.1212%11000040000000.37864.9694%0.976664.0035%1.8823%
GPU722709.675764.2857%17000050000000.50943.6214%10.185165.5791%1.2934%
Difference+4+145.2429+1.9305%+1030000+63400000+5.2079+1.5610%+150.4508+2.3880%+0.4575%

Known prime factors:
No known factors for M24695977

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2004-06-21T00:00:00curtiscv4_computers2300001092500---0.326--1.648%
2021-09-16T05:58:23Architects Cubedgpu72ng120000068400000---5.717--5.182%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2001-09-16T00:00:00Net_Forcev4_computers21256--0.000--
2001-12-22T00:00:00Mattv4_computers21258--0.002--
2003-08-31T00:00:00Net_Forcev4_computers21260--0.006--
2004-06-04T00:00:00Donna Noblev4_computers21267--1.203--
2006-04-28T00:00:00Donna Noblev4_computers21267--1.203--
2016-05-24T15:09:47VictordeHollanderManual testing267268--1.210--
2018-02-24T20:16:19VictordeHollanderManual testing268269--2.421--
2018-03-15T05:08:21YxinityManual testing269270--4.841--
2021-08-05T15:44:19SRBaseManual testing270271--9.68--
2021-08-30T16:19:28TheJudgerManual testing271272--19.37--
2021-08-30T16:19:29TheJudgerManual testing272273--38.73--
2021-09-13T17:03:11TheJudgerManual testing273274--77.46--


ECM factoring results:
No ECM results for M24695977


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2004-07-13T00:00:00curtiscv4_computers0DC78E771EE2395920.03
2011-02-02T17:03:00bjp0DC78E771EE2395920.03


PRP results:
No PRP results for M24695977


P-1 factor-bounds graph:
B1 = 1200000, B2 = 68400000 (P-1 stage 2)
B1 = 1200000 (P-1 stage 1)
B1 = 230000, B2 = 1092500 (P-1 stage 2)
B1 = 230000 (P-1 stage 1)
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108
TF factor-bounds graph:
274
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2100
Last modified: 2021-09-16T05:58:23+00:00