What number is a factor of 21 and 49 July 8, 2019 16 32 64 128 What is a factor of 21 and 49 What is a common factor of 21 and 49 What number is a common factor of 21 and 49 What is 23 of 50 1 2 3 4 5 moddalar 29 - 1 = 30
