Flag Integral Calculus> KVPY q....
question mark

Let f : (2, ∞) → N be defined by f (x) = the largest prime factor of [x]. Then

8

∫ equals to-?

2

Ans. 22

Abhisek Roy , 13 Years ago
Grade
anser 1 Answers
Sher Mohammad
Not including the lower limit in answer, we have to check largest prime factor of 3,4,5,6,7,8

Thanks & Regards
Sher Mohammad,
askIITians Faculty
B.Tech.
IIT Delhi.

Last Activity: 11 Years ago
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