Question

if the LCM of a pair numbers is 300, the GCF of a pair is 3 , and one of the numbers is 12, what is the other number?

Answer 1

Other number : 75. LCM*GCF=product of numbers. X=300*3/12=75

Answer 2

let the other number be x                                                                                 300*3=12*x
x=75