The primary decomposition regarding 70 is 2 x 5 x 7. In other words, 70 can be expressed as a product of its prime factors which 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 the prime factorization of 70. These prime factors are the building blocks that compose the number 70. By performing the method of finding the prime factors 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 prime elements. Decomposing the number 70 into its primary divisors 2, 5, and 7 is called the prime factorization of 70. By doing this we are expressing 70 as a multiplication of its prime factors.