The multiples of square numbers that are common to two or more numbers are called common square multiples. For example, the common square multiples of 4 and 9 are 36, 144, 324, etc.
The multiples of square numbers that are common to two or more numbers are called common square multiples. For example, the common square multiples of 4 and 9 are 36, 144, 324, etc.