3 4 7 9 21 July 8, 2019 16 32 64 128 2 3 3x 9 )- 4 7 21x 14 Lcm of 3 4 9 7 21 3 5 of 4 7 of 5 9 of 21 24 of 504 3 5 of 4 7 of 5 9 of 21 24 of 504 answer
