prove:n4+4 is a composite number for n>1
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4n+4
putting n= 2,3,4,....
we get respectively
12,16,20,.....
since 4n+4 will be even for all n= 2,3,4,5,6,....
so they can easily be divided by other nos except 1 and the no itself
so 4n+4 is composite no for n>1
putting n= 2,3,4,....
we get respectively
12,16,20,.....
since 4n+4 will be even for all n= 2,3,4,5,6,....
so they can easily be divided by other nos except 1 and the no itself
so 4n+4 is composite no for n>1
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