is 2 10297619 - 1
has 3099893 decimal digits
takes 3.364 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-LBCA332E1C1C4E28Ddouble-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual27292.869466.6667%800000025524610650662.288013.6968%755.157471.2323%
Target2685.788264.7059%7000080000000.23782.6590%6.026065.6443%
Difference+4+87.0812+1.9608%+7930000+25516610650+662.0502+11.0379%+749.1314+5.5879%

Known prime factors:
No known factors for M10297619

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2000-06-23ANONYMOUSv4_computers145000145000---0.069--0.757%
2012-02-01James Heinrichi7-9201950004631250---0.207--2.592%
2023-06-04mikrNitron800000025524610650---662.3--13.697%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1999-11-24subgeniusv4_computers21264--0.346--
2013-09-20NesowaManual testing264265--0.363--
2015-04-28ThaManual testing265266--0.726--
2015-12-02VictordeHollanderManual testing266267--1.451--
2017-09-26-Anonymous-Manual testing267268--2.903--
2017-12-12ramgeisManual testing268269--5.805--
2020-08-03ViliamFManual testing269270--11.61--
2021-10-01mikrManual testing270271--23.22--
2022-10-03Architects CubedGPU72_TF271272--46.44--


ECM factoring results:
Total ECM effort:0.993 GHz-days
Estimated T-Level:0.385
DigitsB1CompleteFacMiss
20110000.07792.596%
25500000.00799.291%


ECM Summary

B1B2factorcurvesGHz-days
50000500000020.993


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2000-09-29ANONYMOUSv4_computersBCA332E1C1C4E28D3.364
2004-03-26ANONYMOUSv4_computersBCA332E1C1C4E28D3.364


PRP results:
No PRP results for M10297619


P-1 factor-bounds graph:
B1 = 8000000, B2 = 25524610650 (P-1 stage 2)
B1 = 8000000 (P-1 stage 1)
B1 = 195000, B2 = 4631250 (P-1 stage 2)
B1 = 195000 (P-1 stage 1)
B1 = 145000 (P-1 stage 1)
104
105
106
107
104
105
106
107
108
109
1010
1011
TF factor-bounds graph:
272
271
270
269
268
267
266
265
264
this exponent TF target: 68
TF double-checked to: 67.9
ECM T-Level=0.38 ~= -15-bit
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Last modified: 2023-10-02T12:12:48+00:00