Tag: What is PHI of a number?
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What is φ 84 )?
ϕ(84)=24. [mks_pullquote align=”left” width=”300″ size=”20″ bg_color=”#00BCD4″ txt_color=”#ffffff”]1 ϕ(n) is the number of non-negative integers less than n that are relatively prime to n. In other words, if n>1 then ϕ(n) is the number of elements in Un, and ϕ(1)=1. Example 3.8. 2 You can verify…