Do you know? Part 4

Is the number below a prime number or a composite number? 2 1 + 3 2 + 5 3 + 7 4 + 1 1 5 + 1 3 6 + 1 7 7 + 1 9 8 2^1+3^2+5^3+7^4+11^5+13^6+17^7+19^8

composite number can't say prime number

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1 solution

Hasmik Garyaka
Oct 17, 2017

prime(17398892111) returned true

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