How can you tell when the LCM of two numbers will equal one of the numbers or equal the product of the numbers

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Mathematics

Hassan Ewing

30 April, 03:56

How can you tell when the LCM of two numbers will equal one of the numbers or equal the product of the numbers

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Cassandra Mathews · Answer 1

When one number will divide exactly into the other one then the other one will be the LCM. For example the LCM of 4 and 8 = 8.

When they do not divide as above then the product of the numbers may be the LCM. For example the LCM of 3 and 4 = 3*4 = 12.

The product is not always the LCM. It might be a lower number. For example the LCM of 4 and 6 is not 24 but 12. (24 / 2).