A prime number is a natural number that has exactly 2 divisors i.e 1 and the number itself. Some examples of
the prime numbers are 2, 3, 5, 7, etc. whereas two numbers are said to be coprime with each other when they
don't have any common factors other than 1. The number of co-primes for a number X is the count of the
numbers which are less than the given number and is coprime with X. For example, the number of co-primes
for 5 is 4.
Q2) The number of co-primes for a number X is A and the product of all the factors (including 1 and the
number itself) of X is B. If A + B < 2*X then the value of 2*B - A - X will be?
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where is question 1?
Step-by-step explanation:
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