is 2 1035187 - 1
has 311623 decimal digits
takes 0.031 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- L-L tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual26728.703970.1493%1000000010000000002.747811.6465%31.451773.6258%3.4766%
PrimeNet2560.009364.2857%4500600000.00031.9531%0.009664.9832%0.6975%
GPU722600.148466.6667%4500180000.00020.6155%0.148666.8718%0.2052%
Difference+7+28.5555+3.4826%+9995500+999982000+2.7476+11.0309%+31.3031+6.7540%+6.7540%

Known prime factors (3 factors, 155.2 bits, 0.01499030% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
103518799377953826.56648
24 × 3
-16168.726e-126.876e-71.399e-6
10351871127778203916791546.68054472197
3 × 13 × 1396723
2008-08-261313967231.375e-50.00330.0061
103518746091442210974782767436012581.9312226237491920531400
23 × 52 × 11131187459602657
2021-07-062511131187459602657481,27926,063,36648,679,110

4 Composite Factors:
exponentprime factorscomposite factordigitsbits*
1035187112076289343267172530872373.247
103518745804731777444680460474657322875333108.497
103518751980923912627660692373921368647689607939128.611
10351875165757813485687770786683016199165771412474628747155.178
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2016-03-17T18:59:25alpertronManual testing3000001000000012---0.036--4.083%
2021-07-18T17:27:09ViliamF3100000001000000000---2.748--11.646%


P+1 Factoring results:
dateuseridcompidb1b2startfactorSmoothdigitsbits*ghz-days
2021-07-06T22:22:33Dylan Delgadodesktoplinux300000024300000027P+12581.9310.645


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-08-26T19:52:00ANONYMOUSManual testing??46.680154.69841e-60.0711.09408e-5


ECM factoring results:

Old Calculation Method

Total ECM effort:17.493 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:17.493 GHz-days
Estimated T-Level:25.344
DigitsB1CompleteFacMiss
201100012.7310.000%
25500001.34925.941%
302500000.10889.793%
3510000000.00799.295%


ECM Summary

B1B2factorcurvesGHz-days
5000050000002819.81
25000025000000447.682


Lucas-Lehmer results:
Exponent "1035187" not found


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-28T18:55:10Oliver KruseGTX-1
99377953
112777820391679
A70B4DC7F025A7__no
2017-10-15T20:28:09Oliver KruseThreadripper
99377953
112777820391679
A70B4DC7F025A7__no
2017-12-28T06:33:06ATHec2-1xf
99377953
112777820391679
A70B4DC7F025A7__no
2021-07-08T23:54:47tottenhoff2018pc
99377953
112777820391679
4609144221097478276743601
484D05342C08F4__no


P-1 factor-bounds graph:
B1 = 10000000, B2 = 1000000000 (P-1 stage 2)
B1 = 3000000, B2 = 243000000 (P+1 stage 2)
B1 = 10000000 (P-1 stage 1)
B1 = 3000000 (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
100
101
102
103
104
105
106
107
108
109
1010
1011
1012
1013
1014
1015
1016
1017
TF factor-bounds graph:
267
2
220
230
240
250
260
270
280
290
2100
Last modified: 2021-07-18T17:27:09+00:00