# Math

posted by Anne

Let n = c x p, where p is a prime number, and c is a composite number less than p. The number c has three unique prime factors. How many unique prime factor does n^2 have?

1. Steve

all the prime factors of c are less than p, so n has 4 unique prime factors.

n^2 does not have any new prime factors, so it also has 4.

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