The number 210 can be written as the sum of consecutive positive integers in several ways. When written as the sum of the greatest possible number of consecutive positive integers, what is the largest of these integers?
Sum to n terms 1,2,3,.........n is n(n+1) / 2.This will give us greated number of consecutive positive integers.
n(n+1)/2 = 210
so n(n+1)= 420
20*21= 420
so answer is 20
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