The prime decomposition of 70 is 2 x 5 x 7. Put simply, 70 can be expressed as a product of its primary factors which are 2, 5, and 7. The number 70 can be expressed as a result of its divisors 2, 5, and 7 is known as prime decomposition of 70. These divisors 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 prime factors. In essence, we are breaking down the number 70 into its constituent prime factors. Splitting the number 70 into its prime factors 2, 5, and 7 is called finding the prime factors of 70. This process we are expressing 70 as a multiplication of its prime factors.