is 2 91199 - 1
has 27454 decimal digits
takes 0.000 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
Actual267325.814174.6269 %10000000007055259686475012,388.947028.7517 %12,714.761181.9221 %
Target2440.000061.3636 %900550000.00003.1773 %0.000062.5912 %
Difference+23+325.8140+13.2632 %+999999100+70552596809750+12,388.9470+25.5744%+12,714.7610+19.3308 %

Known prime factors (2 factors, 135.9 bits, 0.14900720% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
91199156132689927.218856
23 × 107
2010-08-0681072.324e-104.316e-85.246e-8
9119951808245143562336221689512450215933108.6752840395461768349226509584121
37 × 109 × 704288485437230157825337
2019-09-101097042884854372301578253371.783e+121.236e+142.309e+14

1 Composite Factors:
P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2016-12-12kkmrkkblmbrbkManual testing100000000200000000012
skipped known factor: 156132689
---40.607%
2022-07-03George WoltmanSkylakeX10000000001000000000
skipped known factor: 156132689
--2.69935.801%
2022-07-09George WoltmanSkylakeX100000000070552596864750
skipped known factor: 156132689
--14,55767.486%


P+1 Factoring results:
dateuseridcompidb1b2startfactorSmoothdigitsbits*ghz-days
2021-04-24nordisweet1640000000524000000027--1.091
2021-04-28nordisweet1640000000524000000065--1.091


Trial Factoring results:
5758596061626364656667
No TF results for M91199


ECM factoring results:
Total ECM effort:13.671 GHz-days
Estimated T-Level:30.859
DigitsB1CompleteFacMiss
201100087.8240.000%
255000013.9930.000%
302500001.70918.109%
3510000000.17284.221%
4030000000.01598.539%
45110000000.00199.891%


ECM Summary

B1B2factorcurvesGHz-days
110001100000300.014
5000050000002740.636
250000250000005856.786
10000001000000001416.158
100000010000000020.078


Lucas-Lehmer results:
No L-L results for M91199


PRP results:
dateuseridcompidcofactorsres64
2017-09-21Oliver KruseOliver-PC
156132689
C85BA7627091AE66
2017-09-21Oliver KruseManual testing
156132689
C85BA7627091AE66
2017-10-13kkmrkkblmbrbkManual testing
156132689
C85BA7627091AE66
2019-09-11mnd975201b
156132689
518082451435623362216895124502159
09B47FC16491EB8B
2019-09-11mnd9office
156132689
518082451435623362216895124502159
09B47FC16491EB8B
2019-09-14GANKL-SCH05
156132689
518082451435623362216895124502159
09B47FC16491EB8B


CERT results:
No CERT results for M91199


P-1 factor-bounds graph:
B1 = 1000000000, B2 = 70552596864750 (P-1 stage 2)
B1 = 1000000000 (P-1 stage 1)
B1 = 100000000, B2 = 2000000000 (P-1 stage 2)
B1 = 100000000 (P-1 stage 1)
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TF factor-bounds graph:
this exponent TF target: 44
TF double-checked to: 67
ECM T-Level=30.86 ~= 86-bit
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Last modified: 2024-03-13T02:15:48+00:00