3(2^2+1)(2^4+1)(2^8+1)……(2^32+1)+1的个位数是____

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3(2^2+1)(2^4+1)(2^8+1)……(2^32+1)+1的个位数是____

3(2^2+1)(2^4+1)(2^8+1)……(2^32+1)+1的个位数是____
3(2^2+1)(2^4+1)(2^8+1)……(2^32+1)+1的个位数是____

3(2^2+1)(2^4+1)(2^8+1)……(2^32+1)+1的个位数是____
3(2^2+1)(2^4+1)(2^8+1)……(2^32+1)+1
=(2^2-1)(2^2+1)(2^4+1)(2^8+1)……(2^32+1)+1
=(2^4-1)(2^4+1)(2^8+1)……(2^32+1)+1
=(2^32-1)(2^32+1)+1
=(2^64-1)+1
=2^64
个位数是6