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1) 63^n+1 63 63
= = = 1^n-2
3^2n+1 * 7^n-2 3^2*7^n-2 63^n-2
2) 80^n+4 80^n+1
= = 8^4n+12
5^n+3 * 2^4(n+3)1 5*2^4n+13
3) 50^n+1 50 50
= = = 5^2n-1
2^n-3 * 5^2n+1 2^n-2 * 5^2n+1 10^2n-1
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1) 63^n+1 63 63
= = = 1^n-2
3^2n+1 * 7^n-2 3^2*7^n-2 63^n-2
2) 80^n+4 80^n+1
= = 8^4n+12
5^n+3 * 2^4(n+3)1 5*2^4n+13
3) 50^n+1 50 50
= = = 5^2n-1
2^n-3 * 5^2n+1 2^n-2 * 5^2n+1 10^2n-1