Anuradha Anandhkumar

Linear Functions

Besvaret

Let f(x) be defined for any positive integer x greater than 2 as the sum of all prime numbers less than x. For example, f(4)=2+3=5 and f(8)=2+3+5+7=17. What is the value of f(86)−f(82)?

1. Community
2. Study Group