List the prime factors for the input number, in decreasing order. List each factor. If the prime factor occurs twice, list it as twice
in = 24 ---> out = [3 2 2 2]
in = 876 ---> out = [73 3 2 2]
Back to basics 14 - Keywords
Matrix indexing with two vectors of indices
Count up then down
Return area of square
Create tangent function out of cosine only
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