The primary factors regarding 70 is 2 x 5 x 7. In other words, 70 can be expressed as a product of its prime factors that are 2, 5, and 7. The number 70 can be expressed as a product of its divisors 2, 5, and 7 is known as prime decomposition of 70. Such 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 splitting down the number 70 into its constituent fundamental factors. Decomposing the number 70 into its primary divisors 2, 5, and 7 is called finding the prime factors of 70. Performing this we are representing 70 as a multiplication of its fundamental elements.