is 2 9688699 - 1
has 2916590 decimal digits
takes 2.826 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 LL tests remaining
ResidueStatus
L-L329DCB6BC44DD0AAdouble-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual2673.066964.1791 %50000500000.02110.8096 %3.088064.4691 %
Target2686.152064.7059 %6500075000000.19882.5551 %6.350865.6077 %
Difference-1-3.0851-0.5268 %-15000-7450000-0.1777-1.7456 %-3.2628-1.1386 %

Known prime factors (1 factor, 67.5 bits, 0.00069623% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
96886992023347520482240693772167.45510441791619712
27 × 153743 × 530603
2011-06-261537435306033.72930.07370.1323

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2003-07-13WileECoyotev4_computers5000050000--0.0210.696%
2011-06-26James HeinrichQ66002167.4550.1650.000%


Trial Factoring results:
575859606162636465666768
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
1999-06-06ITSv4_computers212640.203


ECM factoring results:
No ECM results for M9688699


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2000-05-17ANONYMOUSv4_computers329DCB6BC44DD0AA2.826
2003-07-30WileECoyotev4_computers329DCB6BC44DD0AA2.826


PRP results:
dateuseridcompidcofactorsres64
2019-10-13Niels_Mache_NextcloudSuperDry-X
202334752048224069377
91A542298C7CC328
2020-12-23kutenssol
202334752048224069377
91A542298C7CC328


CERT results:
dateuseridcompid
2020-12-23curtiscwd-210--08l


P-1 factor-bounds graph:
B1 = 50000 (P-1 stage 1)
103
104
105
106
103
104
105
106
TF factor-bounds graph:
264
this exponent TF target: 68
TF double-checked to: 67
250
260
270
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Last modified: 2024-03-13T02:15:48+00:00