is 2 7326923 - 1
has 2205624 decimal digits
takes 1.598 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 LL tests remaining
ResidueStatus
L-LBE98AD4E7CF6B9CCdouble-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual2674.055465.6716 %35000350000.01110.6051 %4.066565.8794 %
Target2674.055465.6716 %4500050000000.09962.3171 %4.155066.4671 %
Difference----10000-4965000-0.0885-1.7120 %-0.0885-0.5877 %

Known prime factors (1 factor, 74.1 bits, 0.00101097% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
7326923198653744702289318028392374.0731355642366531553
32 × 4733 × 60623 × 524963
2011-04-1260623524963959.920.02720.0390

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2001-12-22ANONYMOUSv4_computers3500035000--0.0110.605%
2011-04-12James HeinrichQ66002374.0730.0940.000%


Trial Factoring results:
5758596061626364656667
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
1998-07-21ANONYMOUSv4_computers212630.155


ECM factoring results:
No ECM results for M7326923


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
1999-10-21Michael Kennv4_computersBE98AD4E7CF6B9CC1.598
2002-02-17ANONYMOUSv4_computersBE98AD4E7CF6B9CC1.598


PRP results:
dateuseridcompidcofactorsres64
2018-02-26ATHec2-1xh
19865374470228931802839
E923BD8196A44132
2019-05-06kkmrkkblmbrbkc5.large
19865374470228931802839
E923BD8196A44132


CERT results:
No CERT results for M7326923


P-1 factor-bounds graph:
B1 = 35000 (P-1 stage 1)
103
104
105
103
104
105
106
TF factor-bounds graph:
263
this exponent TF target: 67
TF double-checked to: 67
250
260
270
280
JSON version of this page
Last modified: 2024-03-13T02:15:48+00:00