Q7. If ϕ(n) represents Euler totient function, then find

(i) ϕ(39)
(ii) ϕ(56)
(iii) ϕ(77)
(iv) ϕ(420)
(v) ϕ(950)
(vi) ϕ(2000)
(vii) ϕ(9650)
(viii) ϕ(80850)

Solution