Combine/Common/Common Factor/Common Multiple
COMBINE To put (join) together.
COMMON Belonging equally to all.
COMMON FACTOR A common factor of two or more numbers is a number which is a factor of each of the numbers. Example: 8 = {1, 2, 4, 8} 32 = {1, 2, 4, 8, 16, 32} 1, 2, 4 and 8 are the common factors of 8 and 32
COMMON MULTIPLE A common multiple of two or more numbers is a number which is a multiple of each of the numbers. Example: 12 = {12, 24, 36, 48, 72, 84, 96, 108, 120} 15 = {15, 30, 45, 60, 75, 90, 105, 120, 135, 150} 60 and 120 are the common multiples