455

This number is a composite.

+ The average number of distinct prime factors for positive integers up to 455 is an integer. For example, the sum of all omega(n) values up to 455 = 910, and 910/455 = 2. The record-breaking sequence of mean omega values up to n that are integers begins 1, 6, 455, 8167302, ... . Can you find the next term? [Honaker]

Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell