Every pair of nonzero whole numbers has an infinite number of

common multiples. Among these common multiples will always

be a smallest number, which is called the l**east common multiple.**

For example, the least common multiple of 5 and 7 is 35. This is

sometimes written as LCM(5,7) = 35. For any two nonzero whole

numbers **a**** **and **b**, the **least common multiple,** written LCM(**a,b**),

is the smallest multiple of both **a**** **and **b**.

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