The main decomposition of 70 is 2 x 5 x 7. Put simply, 70 can be expressed as a product of its primary factors that are 2, 5, and 7. 70 can be written as a result of its prime factors 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 process of finding the prime factors on 70, we can determine that 2, 5, and 7 are its prime elements. Basically, we are breaking down the number 70 into its constituent prime elements. Breaking down the number 70 into its primary divisors 2, 5, and 7 is called the prime factorization of 70. This process we are expressing 70 as a product of its prime factors.