All numbers have common factors greater than zero.
Chat with our AI personalities
The least common factor for two numbers is always one. The least common multiple for two numbers which have no common factors greater than one is their product.
Ex: 30 and 42 The factors of 30 are: 1, 2, 3, 5, 6, 10, 15, 30 The factors of 42 are: 1, 2, 3, 6, 7, 14, 21, 42 The common factors are: 1, 2, 3, 6 The Greatest Common Factor: GCF = 6
Numbers having exactly three factors are the squares of prime numbers. Examples of these numbers greater than 100 are 121, 169, 289, 361, 529, 841, etc.
No. To be rectangular a number must have two factors greater than 1. If it has two factors greater than 1, it cannot be prime.
The product will be greater than 1, when each of the two factors are greater than 1.