If where p, q are r are prime numbers, then what is the value of (p+q-2r)?

Correct option is C

Step 1: Factorize 313632
The prime factorization of 313632 is:

313632 = 2⁵ x 3⁴ x 11² = p² x q⁵ x r⁴
Using the values found:
p = 11, q = 2, and r = 3

Thus,
p + q - 2r =

= 11 + 2 - 6 = 7