multiples: Least Common Multiple
Factors create multiples, multiples break down into factors.
Common factors: 1 and 2 Common multiples: Any multiple of 132
Factors go into numbers, numbers go into multiples.
Factors are useful when you're trying to reduce fractions. Multiples are useful when you're trying to find a least common denominator.
you multiply them together
2 and 5 are the prime factors that are common to all multiples of 10.
1 and 2 are common factors. 84 and 168 are common multiples.
All numbers have common multiples.
There are no greatest common multiples only greatest common factors
Multiples of 5 and 10 are called common multiples.
Common factors go into the numbers, the numbers go into common multiples.