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Mathematica Teacher's Edition

Built-in Functions

Mathematical Functions

Number Theory

LCM

LCM[, , ... ] gives the least common multiple of the integers .

Integer mathematical function (see Section A.3.10).
LCM also works with rational numbers; LCM[, , ... ] gives the least rational number r for which all the r/ are integers.
See The Mathematica Book on the web: Section 3.2.4.
See also: GCD, PolynomialLCM.

Further Examples