Math Help - Lcm

LCM of 60 & 72

Originally Posted by starslacker

LCM of 60 & 72

once again take the prime decomposition of the two numbers:

60=(2^2)x3x5

72=(2^3)(3^2)

now the prime decomposition of the LCM of the two must contain only
sufficient prime factors so that it contains the decomposition of the
two numbers so:

LCM(60, 72)=(2^3)x(3^2)x5=360

RonL