Math, asked by voom84, 1 year ago

Find the number of integers less than n and prime
to it when n = 729 and 720.
Answer pl

Answers

Answered by veerapvj9

2

Answer:

192 ( Euler's totient function )

Step-by-step explanation:

720=2⁴*3²*5

Phi(720)=720*(1–½)*(1-⅓)*(1–¹/5)

=720*½*⅔*⁴/5

=192.

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