is 2 369469 - 1
has 111222 decimal digits
takes 0.004 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L11813B5FC5CA7EF5double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual26780.423371.6418%6553665536000.00592.3778%80.429272.3161%0.6743%
PrimeNet2400.000052.5000%36001100000.000116.7314%0.000160.4474%7.9474%
GPU722440.000056.8182%65001900000.000212.4940%0.000262.2133%5.3951%
Difference+23+80.4233+14.8236%+59036+6363600+0.0057-10.1161%+80.4290+10.1028%+10.1028%

Known prime factors (1 factor, 84.9 bits, 0.02298724% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
369469368716022210730024358407292684.93149898100004429332956
22 × 17 × 281 × 5521 × 472988987567
2009-10-16552147298898756716,241,181362.24676.57

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2002-06-15T00:00:00ANONYMOUSv4_computers327683276800---0.003--1.666%
2002-08-24T00:00:00ANONYMOUSv4_computers655366553600---0.006--2.378%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1999-11-24T00:00:00ANONYMOUSv4_computers252253--0.002--
2000-04-27T00:00:00ANONYMOUSv4_computers21254--0.006--
2022-03-07T06:37:13LordJuliusManual testing254255--0.006--
2001-03-17T00:00:00ANONYMOUSv4_computers21256--0.026--
2002-02-10T00:00:00ANONYMOUSv4_computers21257--0.052--
2004-01-18T00:00:00ANONYMOUSv4_computers21258--0.104--
2009-01-05T23:57:00Sturle Sundebach.ifi258259--0.104--
2009-01-25T06:45:00Sturle Sundegiacco.ifi259260--0.208--


ECM factoring results:

Old Calculation Method

Total ECM effort:15.727 GHz-days
Estimated T-Level:26.906
DigitsB1CurvesCompleteFacMiss
2011000523 / 1005.2300.521%
2550000523 / 2801.86815.394%
30250000244 / 6400.38168.280%

New Calculation Method

Total ECM effort:15.727 GHz-days
Estimated T-Level:26.906
DigitsB1CompleteFacMiss
201100032.9130.000%
25500004.4301.192%
302500000.44264.269%
3510000000.03596.554%
4030000000.00299.771%


ECM Summary

B1B2factorcurvesGHz-days
10.00000e+0
5000050000002792.927
2500002500000024412.80


Lucas-Lehmer results:
No L-L results for M369469


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-23T04:00:26Oliver KruseOllaptop
36871602221073002435840729
903AA3B402B554__no
2017-11-02T11:25:42kkmrkkblmbrbkc4.xlarge
36871602221073002435840729
903AA3B402B554__no
2020-04-18T15:21:18Oliver KruseAddPrpType5
36871602221073002435840729
640F2F28406DF4__no


P-1 factor-bounds graph:
B1 = 65536, B2 = 6553600 (P-1 stage 2)
B1 = 32768, B2 = 3276800 (P-1 stage 2)
B1 = 65536 (P-1 stage 1)
B1 = 32768 (P-1 stage 1)
102
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104
105
102
103
104
105
106
107
108
109
1010
1011
1012
TF factor-bounds graph:
267
260
259
258
257
256
255
254
253
250
260
270
280
290
2100
Last modified: 2022-03-07T06:37:13+00:00