Magma V2.7-0      Tue May 16 2000 03:55:56 on cusp     [Seed = 824757894]
Type ? for help.  Type <Ctrl>-D to quit.
> A:=ModularSymbols("431F");
> factor(ModularDegree(A));
[ <2, 11>, <6947, 1> ]
> factor(CongruenceModulus(A));
[ <2, 10>, <6947, 1> ]