# Given that 1^2+2^2+3^2+.....+k^2=k*(k+1)*... is the smallest integer k such that?

given that 1^2+2^2+3^2+.....+k^2=k*(k+1)*(2k+1)/6,w... is the smallest integer k such that 1^2+2^2+3^2+.....+k^2 is divisible by 100.

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