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p and q are two positive integers such t...

p and q are two positive integers such that the least prime factor of p is 3 and the least prime factor of q is 5 . Find the least prime factor of (p + q).

A

2

B

3

C

5

D

8

Text Solution

Verified by Experts

The correct Answer is:
A

Clearly, 2 is neither a factor of a nor that of b.
a and b are both odd.
Hence , (a +b) is even.
least prime factor of ( a+b) is 2.
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