The prime factorization of 70 is 2 x 5 x 7. Put simply, 70 can be expressed as a product of its primary elements that are 2, 5, and 7. The number 70 can be expressed as a result of its prime factors 2, 5, and 7 is known as prime decomposition of 70. These prime factors are the building blocks that form the number 70. By performing the process of finding the prime factors 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 fundamental elements. Splitting the number 70 into its primary divisors 2, 5, and 7 is called finding the prime factors of 70. By doing this we are expressing 70 as a multiplication of its fundamental elements.