is 2 183829 - 1
has 55339 decimal digits
takes 0.001 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actualunknown10000000020000000001.360749.4195%1.360749.4195%49.4195%
PrimeNet2400.000055.0000%2000450000.000012.0691%0.000060.4311%5.4311%
GPU722440.000059.0909%3400700000.00008.4063%0.000162.5298%3.4389%
Difference-440.0000-59.0909%+99996600+1999930000+1.3607+41.0133%+1.3607-13.1103%-13.1103%

Known prime factors (1 factor, 51.3 bits, 0.02791105% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
18382927888739326536171651.3097585511352
23 × 3 × 41 × 137 × 56269
2014-04-23137562690.00262.136e-53.828e-5

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2017-06-24T18:46:17kkmrkkblmbrbkManual testing100000000200000000012-
skipped known factor: 2788873932653617
--1.361--41.892%


Trial Factoring results:
No TF results for M183829


ECM factoring results:

Old Calculation Method

Total ECM effort:13.730 GHz-days
Estimated T-Level:28.906
DigitsB1CurvesCompleteFacMiss
2011000781 / 1007.8100.039%
2550000781 / 2802.7896.116%
30250000500 / 6400.78145.755%

New Calculation Method

Total ECM effort:13.730 GHz-days
Estimated T-Level:28.906
DigitsB1CompleteFacMiss
201100056.6990.000%
25500008.1000.030%
302500000.84842.831%
3510000000.06993.288%
4030000000.00599.537%


ECM Summary

B1B2factorcurvesGHz-days
5000050000002811.369
2500002500000045211.01
2500003225000070.187
2500003600000070.195
25000037913044140.399
2500003842821170.201
2500003850000070.201
2500003850000060.172


Lucas-Lehmer results:
No L-L results for M183829


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-22T00:59:37Oliver KruseOllaptop
2788873932653617
2228A0A0F9285E__no
2017-09-22T10:05:14Oliver KruseManual testing
2788873932653617
2228A0A0F9285E__no
2017-10-12T03:32:53kkmrkkblmbrbkc4.xlarge2228A0A0F9285E__no
2020-04-17T18:54:16Oliver KruseAddPrpType5
2788873932653617
D5EEB2D19B3BE8__no


P-1 factor-bounds graph:
B1 = 100000000, B2 = 2000000000 (P-1 stage 2)
B1 = 100000000 (P-1 stage 1)
101
102
103
104
105
106
107
108
101
102
103
104
105
106
107
108
109
1010
TF factor-bounds graph:
250
260
270
280
290
2100
Last modified: 2022-08-14T17:15:59+00:00