The main factors for 70 is 2 x 5 x 7. In other words, 70 can be expressed as a product of its prime elements which are 2, 5, and 7. 70 can be written as a product of its divisors 2, 5, and 7 is known as the prime factorization of 70. These prime factors are the building blocks that make up the number 70. By performing the process of prime factorization on 70, we can determine that 2, 5, and 7 are its prime factors. Essentially, we are breaking down the number 70 into its component fundamental 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 representing 70 as a product of its prime factors.