Suppose A and B be two non-singular matrices such that A B=B A^m, B^n=I and A^p=I, where I is an ...

Suppose A and B be two non-singular matrices such that A B=B A^m, B^n=I and A^p=I, where I is an identity matrix.
Which of the following ordered triplet (m, n, p) is false?
(a) (3,4,80)
(b) (6,3,215)
(c) (8,3,510)
(d) (2,8,255)

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