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1. P is a prime number and (P2 + 3) is also a prime number . The no. of numbers that P can assume is:

Solution:
Only, one value P can be assumed, which is at 2 at P = 2
P2 + 3 = 7 which is also prime
Again at P = 3, 5, 7, 11 .......
P2 + 3 = an even number which can not be prime

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