is 2 3851800613 - 1
has 1159507522 decimal digits
takes 890,684.311 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
Actual2690.031053.6232%----0.031053.6232%
Target292260,390.984865.2174%190000008800000000166,780.48354.1437%427,171.468366.6587%
Difference-23-260,390.9538-11.5942%-19000000-8800000000-166,780.4835-4.1437%-427,171.4373-13.0355%

Known prime factors (7 factors, 376.4 bits, 0.00000977% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
3851800613924432147131136.42812
22 × 3
2012-08-20442.445e-120.00130.0027
385180061380733740848491342.8761048
23 × 131
2019-08-0681312.274e-100.00490.0055
38518006132239282804373691547.67029068
22 × 132 × 43
2019-08-061691695.887e-90.05670.1153
3851800613219486615078493191754.2852849143
11 × 179 × 1447
2019-08-0617914471.043e-60.08320.1221
38518006131889751928107117611857.39124530760
23 × 32 × 5 × 68141
2019-12-179681417.833e-61.24762.3249
3851800613855438281858026323192066.21311104394643
32 × 1069 × 1154183
2021-04-17106911541830.007221.42339.380
385180061334910397938888480103192271.564453169847643
3 × 317 × 5347 × 89119
2021-09-235347891190.21373.32323.6487

120 Composite Factors:
P-1 results:
No P-1 results for M3851800613


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2019-08-0624224342.876137.53310e-111,810,26065.18
2019-08-0624724847.670151.01987e-9228,7652.19595e-9
2019-08-0625425554.285174.19814e-7228,7659.03934e-7
2019-12-17slaurpalvi2-rtx2126457.391180.001212,4910.002
2021-09-22Seth_Tr108026626766.213200.0041,810,2600.008
2021-04-17slaurnocebo-165026426866.213200.0151,810,2600.008
2021-09-22Seth_Tr108026426966.213200.0301,810,2600.008
Missing TF 69 - 70
Missing TF 70 - 71
2021-09-23Seth_Tr108027127271.564220.1241,810,2600.255
2021-09-28Seth_Tr108027127271.564220.1241,810,2600.255
2021-10-25Seth_Tr108027127271.564220.1241,810,2600.255
Missing TF 72 - 73
Missing TF 73 - 74
Missing TF 74 - 75
2022-01-18ramgeisr4mg31s275276--1.987--
2022-01-19ramgeisr4mg31s276277--3.973--
2022-01-21ramgeisr4mg31s277278--7.947--
2022-01-29ramgeisr4mg31s278279--15.89--
2022-02-09ramgeisr4mg31s27928042.8761331.791,810,26065.18
2022-02-09ramgeisr4mg31s27928036.4281131.791,810,26065.18
2022-04-18ramgeisr4mg31s280281--63.57--


ECM factoring results:
No ECM results for M3851800613


Lucas-Lehmer results:
No L-L results for M3851800613


PRP results:
No PRP results for M3851800613


P-1 factor-bounds graph:
100
101
102
103
104
100
101
102
103
104
105
106
107
TF factor-bounds graph:
281
280
279
278
277
276
272
269
268
267
264
255
248
243
this exponent TF target: 92
250
260
270
280
290
2100
Last modified: 2023-07-11T14:45:05+00:00