is 2 1232069 - 1
has 370890 decimal digits
takes 0.038 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-LE5CB3318CB5308BAdouble-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual26724.117168.6567%1205000349450000.13536.1968%24.252470.5990%1.9423%
PrimeNet2560.007862.5000%5500900000.00042.4293%0.008263.4110%0.9110%
GPU722600.124765.0000%5000300000.00030.8308%0.124965.2908%0.2908%
Difference+7+23.9924+3.6567%+1200000+34915000+0.1350+5.3659%+24.1275+5.3082%+5.3082%

Known prime factors (1 factor, 73.1 bits, 0.00593649% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
1232069104193741178956363516712373.1424228405275149215
5 × 19 × 355379 × 125245243		2014-01-143553791252452431,994.50.31840.5667

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2002-09-29T00:00:00Jocelyn Larouchev4_computers10001000---4.44667e-5--0.006%
2002-12-25T00:00:00ANONYMOUSv4_computers20000395000---0.002--1.040%
2013-09-30T19:03:00David Campeaui5-2500k120500034945000---0.135--6.197%
2016-03-17T19:02:35alpertronManual testing3000001000000012---0.037--4.175%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2001-11-14T00:00:00ANONYMOUSv4_computers21257--0.016--
2003-05-26T00:00:00ANONYMOUSv4_computers21258--0.031--
2022-03-07T17:31:40LordJuliusManual testing258260--0.093--
2009-02-15T16:53:00Sturle Sundefungo.ifi260261--0.125--
2022-04-13T05:54:04LordJuliusManual testing21261--0.249--
2012-09-13T15:38:00AxelssonManual testing261262--0.249--
2022-04-13T05:54:04LordJuliusManual testing261262--0.249--
2012-10-21T10:08:00dbaughManual testing262263--0.797--
2022-04-13T05:54:04LordJuliusManual testing262263--0.797--
2022-04-13T05:54:04LordJuliusManual testing263264--1.594--


ECM factoring results:

Old Calculation Method

Total ECM effort:19.694 GHz-days
Estimated T-Level:25.344
DigitsB1CurvesCompleteFacMiss
2011000323 / 1003.2303.892%
2550000323 / 2801.15431.486%
3025000044 / 6400.06993.351%

New Calculation Method

Total ECM effort:19.694 GHz-days
Estimated T-Level:25.344
DigitsB1CompleteFacMiss
201100015.1310.000%
25500001.66019.022%
302500000.13787.201%
3510000000.00999.078%


ECM Summary

B1B2factorcurvesGHz-days
10.00000e+0
50000500000027910.33
25000035000000449.365


Lucas-Lehmer results:
No L-L results for M1232069


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-29T16:42:16Oliver KruseGTX-2
10419374117895636351671
4930481949E9CD__no
2017-10-19T21:46:32kkmrkkblmbrbkc4.xlarge
10419374117895636351671
4930481949E9CD__no


P-1 factor-bounds graph:
B1 = 1205000, B2 = 34945000 (P-1 stage 2)
B1 = 1205000 (P-1 stage 1)
B1 = 300000, B2 = 10000000 (P-1 stage 2)
B1 = 300000 (P-1 stage 1)
B1 = 20000, B2 = 395000 (P-1 stage 2)
B1 = 20000 (P-1 stage 1)
B1 = 1000 (P-1 stage 1)
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107
102
103
104
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109
TF factor-bounds graph:
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2100
Last modified: 2022-04-13T05:54:04+00:00