Question

If n is any prime number and a2 is divisible by n, then n will also divide a. Justify

Answer 1

Answer:

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Answer 2

Answer:

if n is a prime number 2a is divisible by n

it means xn=2a

let x be the multiple of n which gives 2a

therefore a=xn/2

hence x=2a/n

it means n will also divide a.