The primary factorization of 70 is 2 x 5 x 7. In other words, 70 can be expressed as a product of its prime elements that are 2, 5, and 7. 70 can be written as a product of its prime factors 2, 5, and 7 is known as prime decomposition of 70. Such divisors are the building blocks that compose the number 70. By performing the process of prime factorization on 70, we can determine that 2, 5, and 7 are its main factors. Essentially, we are splitting down the number 70 into its constituent fundamental factors. Decomposing the number 70 into its prime 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.