Prove that square of any +ve integer is of the form 5m, 5m+ 1 , 5m+4 same integer m

Prove that square of any +ve integer is of the form 5m, 5m+ 1 , 5m+4 s

1.	Prove that square of any +ve integer is of the form 5m, 5m+ 1 , 5m+4 same integer m
Answer» (1) 6m prime no