The primary factors for 70 is 2 x 5 x 7. Put simply, 70 can be expressed as a product of its primary factors which are 2, 5, and 7. 70 can be written as a result of its divisors 2, 5, and 7 is known as the prime factorization of 70. Such divisors are the building blocks that make up the number 70. By performing the method of prime factorization on 70, we can determine that 2, 5, and 7 are its main elements. Basically, we are breaking down the number 70 into its constituent prime factors. Splitting the number 70 into its prime factors 2, 5, and 7 is called finding the prime factors of 70. Performing this we are expressing 70 as a product of its prime factors.