is 2 1632887609 - 1
has 491548150 decimal digits
takes 146,581.902 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
Actual280149.959261.2500%----149.959261.2500%
Target28838,389.589264.7727%9000000360000000026,637.82044.1989%65,027.409666.2519%
Difference-8-38,239.6300-3.5227%-9000000-3600000000-26,637.8204-4.1989%-64,877.4504-5.0019%

Known prime factors (7 factors, 378.2 bits, 0.00002316% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
163288760957053093058471342.3751747
1747		2012-08-20117474.161e-100.01250.0231
163288760963976536520631342.5411959
3 × 653		2019-07-0636535.972e-100.00500.0087
16328876096437234847704171549.193197112
23 × 3 × 43 × 191		2019-07-06431916.036e-80.00660.0114
163288760936484979473478571651.6961117192
23 × 73 × 1913		2019-07-067319133.639e-70.02260.0254
163288760956438474162432411652.3261728180
22 × 32 × 5 × 9601		2019-07-06996016.299e-70.06920.1272
1632887609544400950077410756572065.56116669884292
22 × 4167471073		2021-06-17441674710730.007629,55555,200
1632887609261760623612251763312792374.4718015267620671
3 × 151 × 69709 × 253823		2022-02-03697092538233.297010.37918.466

120 Composite Factors:
P-1 results:
No P-1 results for M1632887609


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2019-07-062125551.696162.93939e-690,9626.09282e-6
2019-07-062125552.326162.93939e-690,9626.09282e-6
2019-07-062125542.541132.93939e-690,9626.09282e-6
2019-07-062125549.193152.93939e-690,9626.09282e-6
TF systematically completed to 64 but no per-exponent detailed record exists
2021-06-17slaursekunda-rtx206026426865.561200.034298,2950.070
2022-01-31ramgeisr4mg31s273274--1.172--
2022-02-03ramgeisr4mg31s27427574.471232.343298,2954.807
2022-02-16ramgeisr4mg31s275276--4.686--
2022-02-15ramgeisr4mg31s276277--9.372--
2022-02-20ramgeisr4mg31s277278--18.74--
2022-02-20ramgeisr4mg31s278279--37.49--
2022-04-10ramgeisr4mg31s279280--74.98--


ECM factoring results:
No ECM results for M1632887609


Lucas-Lehmer results:
No L-L results for M1632887609


PRP results:
No PRP results for M1632887609


P-1 factor-bounds graph:
100
101
102
103
104
105
100
101
102
103
104
105
106
107
108
109
1010
TF factor-bounds graph:
280
279
278
277
276
275
274
268
255
this exponent TF target: 88
250
260
270
280
290
Last modified: 2023-07-11T14:45:05+00:00