[FRIAM] Looking for an algorithm

[Jon Zingale]

Hey all,

Given a square matrix over Z2, how do I find whether or not it is the
tensor product of two simpler square matrices? Are there well-known
algorithms for deciding this as well as for finding what matrices the
original *can be* factored into?

[*] Because it is obvious that such factorizations will not always be
unique even over the field Z2.
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