is 2 33610387 - 1
has 10117735 decimal digits
takes 39.772 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual274113.829964.8649%30000003000217290285.33749.8145%399.167268.3132%
Target27114.224163.3803%240000560000005.62443.8345%19.848664.7844%
Difference+3+99.6057+1.4846%+2760000+2944217290+279.7129+5.9800%+379.3187+3.5287%

Known prime factors (8 factors, 360.1 bits, 0.00107139% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
33610387806649289929.58712
22 × 3		-442.133e-126.863e-61.397e-5
3361038729577140571031.46244
22 × 11		2008-09-094118.593e-127.518e-61.397e-5
3361038769909604971032.703104
23 × 13		2008-09-098131.741e-111.419e-52.794e-5
33610387522305413991135.604777
3 × 7 × 37		2008-09-097371.591e-101.482e-52.444e-5
336103872786301082311238.0204145
5 × 829		2008-09-0958292.067e-98.561e-50.0001
33610387125649710702568491753.480186920952
23 × 3 × 79 × 311 × 317		2014-09-263113173.858e-50.00050.0011
336103872066937823558651841692167.4863074849783132
22 × 53 × 727 × 1933 × 10321		2019-06-201933103210.98260.00410.0068
3361038739922782371067907425672271.75859390542529409
3 × 7 × 13 × 217547774833		2022-12-071321754777483322.56820,33737,984

247 Composite Factors:
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2022-04-18masserManual testing20000020687940-
skipped known factor: 806649289
skipped known factor: 2957714057
skipped known factor: 6990960497
skipped known factor: 52230541399
skipped known factor: 278630108231
skipped known factor: 12564971070256849
skipped known factor: 206693782355865184169
--2.258--3.331%
2023-04-02DobriSlowFury30000003000217290-
skipped known factor: 806649289
skipped known factor: 2957714057
skipped known factor: 6990960497
skipped known factor: 52230541399
skipped known factor: 278630108231
skipped known factor: 12564971070256849
skipped known factor: 206693782355865184169
--285.3--9.814%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-09-09Will EdgingtonManual testing??38.020129.77491e-1094.812.33022e-9
2008-09-09Will EdgingtonManual testing??31.462108.10645e-1494.811.93248e-13
2008-09-09Will EdgingtonManual testing??35.604112.29044e-1194.815.46014e-11
2008-09-09Will EdgingtonManual testing??32.703103.83214e-1394.819.13537e-13
2014-09-26TJAOIManual testing253254*53.480172.87462e-694.816.85276e-6
2022-06-26LordJuliusManual testing2126631.462108.59284e-1294.812.04843e-11
2022-06-26LordJuliusManual testing2126665.192200.23194.370.548
2022-06-26LordJuliusManual testing2126632.703101.74068e-1194.814.14957e-11
2022-06-26LordJuliusManual testing2126629.58792.13347e-1294.815.08594e-12
2022-06-26LordJuliusManual testing2126653.480173.85756e-594.819.19596e-5
2022-06-26LordJuliusManual testing2126664.165200.12694.600.301
2022-06-26LordJuliusManual testing2126661.049190.01194.790.026
2022-06-26LordJuliusManual testing2126638.020122.06700e-994.814.92748e-9
2022-06-26LordJuliusManual testing2126635.604111.59093e-1094.813.79258e-10
2022-06-26LordJuliusManual testing2126662.290190.04794.760.111
2019-06-17Seth_TrManual testing266267--0.445--
2019-06-20Seth_TrManual testing26726867.486210.09993.040.231
2021-08-06Seth_TrManual testing267268
skipped known factors(?)
--0.889--
2021-08-06Seth_TrManual testing268269--1.779--
2019-12-17Seth_TrManual testing269270--3.557--
2022-02-22masserManual testing270271--7.115--
2022-12-07LordJuliusManual testing27127271.758228.34480.5916.91
2023-04-02DobriManual testing272273--28.46--
2023-04-02DobriManual testing273274--56.92--


ECM factoring results:
No ECM results for M33610387


Lucas-Lehmer results:
No L-L results for M33610387


PRP results:
dateuseridcompidcofactorsres64PRP
2023-02-22DobriManual testing
806649289
2957714057
6990960497
52230541399
278630108231
12564971070256849
206693782355865184169
3992278237106790742567
6399EA86A55DE230no


P-1 factor-bounds graph:
B1 = 3000000, B2 = 3000217290 (P-1 stage 2)
B1 = 3000000 (P-1 stage 1)
B1 = 200000, B2 = 20687940 (P-1 stage 2)
B1 = 200000 (P-1 stage 1)
100
101
102
103
104
105
106
107
100
101
102
103
104
105
106
107
108
109
1010
1011
1012
TF factor-bounds graph:
274
273
272
271
270
269
268
267
266
254
2
this exponent TF target: 71
TF double-checked to: 67.8
250
260
270
280
Last modified: 2023-06-05T21:50:05+00:00