is 2 1183033 - 1
has 356129 decimal digits
takes 0.036 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L17DB013CEB1A5927double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual26725.116768.6567%300000100000000.03684.1536%25.153669.9586%1.3019%
PrimeNet2560.008162.5000%5000800000.00042.2634%0.008563.3488%0.8488%
GPU722600.129865.0000%5000280000.00030.8002%0.130165.2801%0.2801%
Difference+7+24.9869+3.6567%+295000+9972000+0.0366+3.3534%+25.0235+4.6785%+4.6785%

Known prime factors (1 factor, 58.1 bits, 0.00491510% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
11830333191993553253412891858.147134907206868
22 × 32 × 7 × 535346059
2007-10-1595353460590.03661.29702.4224

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2002-05-05T00:00:00Jocelyn Larouchev4_computers10001000---4.44667e-5--0.005%
2002-08-31T00:00:00Jocelyn Larouchev4_computers20002000---8.89333e-5--0.018%
2002-08-31T00:00:00Jocelyn Larouchev4_computers30003000---0.000--0.034%
2002-08-31T00:00:00Jocelyn Larouchev4_computers40004000---0.000--0.049%
2002-08-31T00:00:00Jocelyn Larouchev4_computers50005000---0.000--0.065%
2002-09-14T00:00:00Jocelyn Larouchev4_computers60006000---0.000--0.081%
2002-09-14T00:00:00Jocelyn Larouchev4_computers70007000---0.000--0.096%
2002-09-14T00:00:00Jocelyn Larouchev4_computers80008000---0.000--0.111%
2002-09-22T00:00:00Jocelyn Larouchev4_computers1000010000---0.000--0.139%
2003-09-21T00:00:00ANONYMOUSv4_computers100001000000---0.003--0.989%
unknown30000010000000---0.037--4.154%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2001-11-03T00:00:00ANONYMOUSv4_computers21257--0.016--
2003-05-11T00:00:00ANONYMOUSv4_computers21258--0.032--


ECM factoring results:

Old Calculation Method

Total ECM effort:18.435 GHz-days
Estimated T-Level:25.344
DigitsB1CurvesCompleteFacMiss
2011000325 / 1003.2503.815%
2550000325 / 2801.16131.261%
3025000044 / 6400.06993.351%

New Calculation Method

Total ECM effort:18.435 GHz-days
Estimated T-Level:25.344
DigitsB1CompleteFacMiss
201100014.8080.000%
25500001.62019.795%
302500000.13287.678%
3510000000.00999.129%


ECM Summary

B1B2factorcurvesGHz-days
10.00000e+0
50000500000028110.34
25000025000000448.095


Lucas-Lehmer results:
No L-L results for M1183033


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-29T11:03:04Oliver KruseGTX-1
319199355325341289
07F1BE7546F416__no
2017-10-17T16:43:37Oliver KruseThreadripper
319199355325341289
07F1BE7546F416__no
2018-01-03T05:18:11ATHec2-8x
319199355325341289
07F1BE7546F416__no


P-1 factor-bounds graph:
B1 = 300000, B2 = 10000000 (P-1 stage 2)
B1 = 300000 (P-1 stage 1)
B1 = 10000, B2 = 1000000 (P-1 stage 2)
B1 = 10000 (P-1 stage 1)
B1 = 8000 (P-1 stage 1)
B1 = 7000 (P-1 stage 1)
B1 = 6000 (P-1 stage 1)
B1 = 5000 (P-1 stage 1)
B1 = 4000 (P-1 stage 1)
B1 = 3000 (P-1 stage 1)
B1 = 2000 (P-1 stage 1)
B1 = 1000 (P-1 stage 1)
100
101
102
103
104
105
106
100
101
102
103
104
105
106
107
108
109
TF factor-bounds graph:
267
258
257
250
260
270
280
290
2100
Last modified: 2020-09-11T10:23:36+00:00