20 is a multiple of which number July 8, 2019 16 32 64 128 Which number between 20 and 30 is a multiple of 3 Which number between 20 and 30 is a multiple of 7 Which number between 20 and 30 is a multiple of 6 Which number is a multiple of both 8 and 20 Which number is a multiple of both 6 and 20