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Jan 29, 2014 at 20:47 comment added Sture Sjöstedt The Shippensburg University Problemsolving Group says in Mathematics Magazine vol.60, no4p245 that 1/143 and 1/429 gives ellipses as 1/7 does. Is This true?
Jan 25, 2014 at 13:54 vote accept Sture Sjöstedt
Jan 25, 2014 at 7:48 comment added Sture Sjöstedt The 1/7-ellipse exsists. Can I find an 1/143-elips or an 1/429-ellipse
Jan 24, 2014 at 19:01 comment added Per Alexandersson Do they have to be? I just coded a program in Mathematica, and these values seem to work... 55?
Jan 24, 2014 at 18:46 comment added Sture Sjöstedt 49 and 55 are not primes
Jan 23, 2014 at 21:04 review Low quality posts
Jan 23, 2014 at 21:13
Jan 23, 2014 at 20:45 history answered Per Alexandersson CC BY-SA 3.0