is 2 3831826499 - 1
has 1153494715 decimal digits
takes 886,065.528 GHz-days to do one PRP test
0 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual281127.806860.4938%----127.806860.4938%
Target292261,748.321665.2174%190000008800000000166,780.48354.1416%428,528.805166.6579%
Difference-11-261,620.5149-4.7236%-19000000-8800000000-166,780.4835-4.1416%-428,400.9983-6.1641%

Known prime factors (7 factors, 351.2 bits, 0.00000916% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
383182649976636529991032.8351
1		2012-08-20111.497e-130.00030.0007
38318264994368282208871238.66857
3 × 19		2014-08-283191.085e-110.00130.0020
3831826499125070816927371443.5081632
25 × 3 × 17		2014-08-2832325.767e-100.01070.0218
38318264991665235159935431547.24321729
3 × 7243		2014-08-28372438.493e-90.13330.2471
38318264993297823158099371548.22943032
23 × 3 × 11 × 163		2014-08-28111631.426e-80.00650.0075
38318264995388343130708020918072168.86870310374597
70310374597		2014-08-281703103745970.02811,284,4182,398,936
383182649941753607968491575956812271.822544826442160
24 × 5 × 7 × 11 × 13 × 73 × 93199		2014-08-2873931990.20801.72573.1799

120 Composite Factors:
P-1 results:
No P-1 results for M3831826499


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2021-09-22Seth_Tr108026426968.868210.0301,801,0300.062
Missing TF 69 - 70
Missing TF 70 - 71
2021-09-23Seth_Tr108027127271.822220.1251,801,0300.256
2021-09-28Seth_Tr108027127271.822220.1251,801,0300.256
2021-10-25Seth_Tr108027127271.822220.1251,801,0300.256
Missing TF 72 - 73
Missing TF 73 - 74
Missing TF 74 - 75
2022-01-18ramgeisr4mg31s275276--1.997--
2022-01-19ramgeisr4mg31s27627743.508143.9941,801,0308.192
2022-01-19ramgeisr4mg31s27627732.835103.9941,801,030131.1
2022-01-21ramgeisr4mg31s277278--7.988--
2022-01-29ramgeisr4mg31s278279--15.98--
2022-02-09ramgeisr4mg31s279280--31.95--
2022-04-18ramgeisr4mg31s28028147.2431563.901,801,030131.1
2022-04-18ramgeisr4mg31s28028132.8351063.901,801,030131.1


ECM factoring results:
No ECM results for M3831826499


Lucas-Lehmer results:
No L-L results for M3831826499


PRP results:
No PRP results for M3831826499


P-1 factor-bounds graph:
100
101
102
100
101
102
103
104
105
106
107
108
109
1010
1011
TF factor-bounds graph:
281
280
279
278
277
276
272
269
this exponent TF target: 92
250
260
270
280
290
2100
Last modified: 2023-07-11T14:45:05+00:00