is 2 2119252787 - 1
has 637958658 decimal digits
takes 327,012.479 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
Actual2841,848.702463.0952%----1,848.702463.0952%
Target28959,158.477965.1685%11000000480000000060,839.74884.2529%119,998.226766.6499%
Difference-5-57,309.7756-2.0733%-11000000-4800000000-60,839.7488-4.2529%-118,149.5243-3.5546%

Known prime factors (8 factors, 409.8 bits, 0.00001934% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
2119252787551005724631135.68113
13		2012-08-201132.227e-120.00040.0005
21192527871059626393511236.62525
52		2012-08-2025254.577e-120.00560.0114
21192527872034482675531237.56648
24 × 3		2012-08-2016169.627e-120.00360.0073
211925278718492811744640711650.716436305
3 × 5 × 17 × 29 × 59		2019-06-3029591.289e-70.00690.0132
211925278723757035667548711651.077560505
3 × 5 × 11 × 43 × 79		2019-06-3043792.174e-70.01010.0196
2119252787525655561862351931755.54512401908
22 × 17 × 19 × 29 × 331		2019-10-05293313.063e-60.01020.0132
21192527879449409306508335801532169.679222942004948
22 × 13 × 191 × 22446839		2022-01-29191224468390.0843273.67511.06
211925278787687014582850127233772272.8932068819140424
23 × 31 × 79 × 105595097		2022-01-29791055950970.52001,287.22,404.2

247 Composite Factors:
P-1 results:
No P-1 results for M2119252787


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2019-07-0123523635.681116.68536e-14665,3080.923
2019-07-0123623736.625122.57129e-13665,3080.923
2019-07-0123723837.566129.87376e-13665,3081.847
2019-07-0125025150.716165.81367e-8121,4411.20778e-7
2019-07-0125125251.077167.58305e-8121,4411.57536e-7
TF systematically completed to 64 but no per-exponent detailed record exists
2019-10-0525525655.545177.98074e-7121,4411.65798e-6
2022-01-29ramgeisr4mg31s26927069.679210.056665,3080.115
2022-01-29ramgeisr4mg31s27227336.625120.451665,3080.923
2022-01-29ramgeisr4mg31s27227335.681110.451665,3080.923
2022-01-29ramgeisr4mg31s27227372.893220.451665,3080.923
2022-01-29ramgeisr4mg31s27327437.566120.903665,3081.847
2022-01-29ramgeisr4mg31s27327435.681110.903665,3080.923
2022-01-29ramgeisr4mg31s27427536.625121.805665,3080.923
2022-01-29ramgeisr4mg31s27427537.566121.805665,3081.847
2022-02-09ramgeisr4mg31s275276--3.611--
2022-02-09ramgeisr4mg31s276277--7.221--
2022-02-09ramgeisr4mg31s277278--14.44--
2022-02-09ramgeisr4mg31s278279--28.89--
2022-02-15ramgeisr4mg31s279280--57.77--
2022-02-16ramgeisr4mg31s280281--115.5--
2022-02-27ramgeisr4mg31s281282--231.1--
2022-03-06ramgeisr4mg31s282283--462.2--
2022-04-24ramgeisr4mg31s283284--924.4--


ECM factoring results:
No ECM results for M2119252787


Lucas-Lehmer results:
No L-L results for M2119252787


PRP results:
No PRP results for M2119252787


P-1 factor-bounds graph:
100
101
102
103
100
101
102
103
104
105
106
107
108
109
TF factor-bounds graph:
284
283
282
281
280
279
278
277
276
275
274
273
270
256
252
251
238
237
236
this exponent TF target: 89
250
260
270
280
290
Last modified: 2023-07-11T14:45:05+00:00