is 2 1174673 - 1
has 353612 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-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual26725.295568.6567 %10000000002505201413715060,734.723630.5134 %60,760.019178.2206 %
Target2600.130865.0000 %50001400000.00050.7989 %0.131365.2796 %
Difference+7+25.1647+3.6567 %+999995000+25052013997150+60,734.7230+29.7145%+60,759.8878+12.9410 %

Known prime factors (7 factors, 431.6 bits, 0.03673817% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
11746731635779139431237.25169627
3 × 23209
-3232091.669e-85.635e-50.0001
11746739412479675736091549.742400642548
22 × 3 × 33386879
2008-09-304333868797.446e-50.08090.1511
1174673162653216195747345032063.8186923340205987
92143 × 75136909
2017-05-1792143751369091.60000.18590.3400
11746731915562653703797879932167.37681535995707052
22 × 3 × 19 × 81973 × 4362583
2014-12-2881973436258332.3010.01400.0197
117467322128526495996748605932270.906941901554560152
23 × 3 × 17 × 37 × 71 × 823 × 1067789
2014-12-288231067789272.690.00260.0048
117467326956005057389715469672271.1911147383359342971
67 × 353 × 48513101321
2017-09-2935348513101321473.17117.53219.52
117467328438173085619128889112271.2681210471896673335
3 × 5 × 29 × 3359 × 828429299
2017-09-293359828429299752.002.00713.7485

120 Composite Factors:
P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2014-12-29alpertronManual testing3000001000000012242138.2830.0388.258%
2022-02-06nordisweet16_ccx310000000001000000000
skipped known factor: 163577913943
skipped known factor: 941247967573609
skipped known factor: 16265321619574734503
skipped known factor: 191556265370379787993
skipped known factor: 2212852649599674860593
skipped known factor: 2843817308561912888911
--44.4718.805%
2022-03-25nordisweet16_30.8b11100000000025052014137150
skipped known factor: 163577913943
skipped known factor: 941247967573609
skipped known factor: 16265321619574734503
skipped known factor: 191556265370379787993
skipped known factor: 2212852649599674860593
skipped known factor: 2695600505738971546967
skipped known factor: 2843817308561912888911
--75,61640.128%


Trial Factoring results:
5758596061626364656667
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2008-09-30markrManual testing??
49.742
15
7.87757e-5
2022-04-12LordJuliusManual testing261263
2017-05-17TJAOIManual testing263264*
63.818
20
1.368
2022-12-21LordJuliusManual testing264267


ECM factoring results:
Total ECM effort:19.034 GHz-days
Estimated T-Level:25.658
DigitsB1CompleteFacMiss
201100014.8080.000%
25500001.62019.795%
302500000.13287.678%
3510000000.00999.129%


ECM Summary

B1B2factorcurvesGHz-days
50000500000026710.14
500005000000130.494
50000500000010.038
25000025000000448.358


Lucas-Lehmer results:
No L-L results for M1174673


PRP results:
dateuseridcompidcofactorsres64
2017-09-28alpertronManual testing
16265321619574734503
163577913943
191556265370379787993
2212852649599674860593
941247967573609
634FBAD29E49EFB5
2017-09-29Oliver KruseGTX-3
163577913943
941247967573609
191556265370379787993
2212852649599674860593
16265321619574734503
2695600505738971546967
2843817308561912888911
05D5C92B94A8FC6A
2017-10-05Oliver KruseManual testing
163577913943
941247967573609
191556265370379787993
2212852649599674860593
16265321619574734503
2695600505738971546967
2843817308561912888911
05D5C92B94A8FC6A
2017-10-17Oliver KruseThreadripper-PC
163577913943
941247967573609
16265321619574734503
191556265370379787993
2212852649599674860593
2695600505738971546967
2843817308561912888911
05D5C92B94A8FC6A
2018-01-07ATHec2-1xh
163577913943
941247967573609
16265321619574734503
191556265370379787993
2212852649599674860593
2695600505738971546967
2843817308561912888911
05D5C92B94A8FC6A


CERT results:
No CERT results for M1174673


P-1 factor-bounds graph:
B1 = 1000000000, B2 = 25052014137150 (P-1 stage 2)
B1 = 1000000000 (P-1 stage 1)
B1 = 300000, B2 = 10000000 (P-1 stage 2)
B1 = 300000 (P-1 stage 1)
100
101
102
103
104
105
106
107
108
109
100
101
102
103
104
105
106
107
108
109
1010
1011
1012
1013
1014
TF factor-bounds graph:
267
263
this exponent TF target: 60
TF double-checked to: 67
ECM T-Level=25.66 ~= 69-bit
250
260
270
280
JSON version of this page
Last modified: 2024-03-13T02:15:48+00:00