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Nothing new: mod(x,n) determines the remainder of the division of x by n. If the remainder is zero, it means that x is divisible by n.
UPD: Thanks again, it all works.
New here? I'm Roha — want a quick tour?
Nothing new: mod(x,n) determines the remainder of the division of x by n. If the remainder is zero, it means that x is divisible by n.