| A | B |
| multiple | the product of a number and a whole # greater than 0 |
| divisible | a number that is divisible by another number if its quotient is a whole number and the remainder is 0 |
| factor | a number that divides another number without a remainder |
| divisor | the number used to divide another number |
| prime number | a whole number greater than 1 with only 2 positive factors, 1 and itself |
| composite number | a natural number greater than 2 that has more than 2 factors |
| prime factorization | the set of primes whose product is a given composite |
| common factor | a factor that is the same for 2 or more numbers |
| Greatest Common Factor (GCF) | the largest number that is a factor of 2 or more #s |
| common multiple | a multiple that is the same for 2 or numbers |
| Least Common Multiple (LCM) | the smallest number, other than 0 |