The prime factors of 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. Expressing 70 as a product of its prime factors 2, 5, and 7 is known as the prime factorization of 70. Such prime factors are the fundamental components 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 prime elements. Basically, we are splitting down the number 70 into its constituent prime factors. Splitting the number 70 into its prime factors 2, 5, and 7 is called the prime factorization of 70. By doing this we are expressing 70 as a product of its fundamental elements.