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\(M\) and \(N\) are two positive integers and each of them has \(20\) factors. If \(r\) is the total number of prime factors of \(M\) and \(s\) is the total number of prime factors of \(N,\) then what is the maximum value of \(r-s?\)
a) 0
b) 1
c) 2
d) 6
e) 26
Answer: C
Source: e-GMAT Source: e-GMAT
a) 0
b) 1
c) 2
d) 6
e) 26
Answer: C
Source: e-GMAT Source: e-GMAT
