is 2 24855049 - 1
has 7482116 decimal digits
takes 20.160 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-LD626F543DC737F14double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual275307.861366.6667%28500061275000.70962.4016%308.570967.4672%0.8005%
PrimeNet2660.594262.1212%11000040000000.37864.9736%0.972864.0052%1.8840%
GPU722709.613864.2857%18000050000000.52063.6574%10.134365.5919%1.3062%
Difference+5+298.2476+2.3810%+105000+1127500+0.1890-1.2558%+298.4366+1.8753%+1.8753%

Known prime factors:
No known factors for M24855049

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2004-08-06T00:00:00ANONYMOUSv4_computers2850006127500---0.710--2.402%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2001-08-18T00:00:00Mattv4_computers21258--0.002--
2003-08-31T00:00:00Net_Forcev4_computers21260--0.006--
2004-03-16T00:00:00ANONYMOUSv4_computers21267--1.195--
2016-06-03T12:22:31VictordeHollanderManual testing267268--1.203--
2018-03-05T17:25:01VictordeHollanderManual testing268269--2.405--
2018-08-30T22:16:20ramgeisManual testing269270--4.810--
2021-08-05T15:52:11SRBaseManual testing270271--9.62--
2021-08-30T16:43:51TheJudgerManual testing271272--19.24--
2021-08-30T16:43:52TheJudgerManual testing272273--38.48--
2021-10-01T19:56:27TheJudgerManual testing273274--76.97--
2021-10-19T16:34:42TheJudgerManual testing274275--153.9--


ECM factoring results:
No ECM results for M24855049


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2004-09-02T00:00:00ANONYMOUSv4_computersD626F543DC737F1420.16
2011-05-04T10:59:00J. Scott BowenkubuntuD626F543DC737F1420.16


PRP results:
No PRP results for M24855049


P-1 factor-bounds graph:
B1 = 285000, B2 = 6127500 (P-1 stage 2)
B1 = 285000 (P-1 stage 1)
104
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106
104
105
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107
TF factor-bounds graph:
275
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271
270
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268
267
260
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270
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2100
Last modified: 2021-10-19T16:34:42+00:00