Question

Find LCM of 60,72 and 96 by prime factorization

Answer 1

Prime factors of 60 = 22 . 3 . 5Prime factors of 72 = 23 . 32Prime factors of 96 = 25 . 3
LCM = 25. 32. 51 = 1440

Hope it helps u.

Answer 2

P.F of 60 = 2×2×3×5
P.F of 72=2×2×2×3×3
P.F of 96=2×2×2×2×2×3
Common factors= 2×2×2×3
=24
Uncommon factors= 3×2×2×5
=60
LCM= C.F×UC.F
= 24×60
= 1440