👉 Underfactor, also known as a subfactor, is a type of factorization algorithm that uses a sequence of smaller factors to simplify larger numbers. The goal of this process is to reduce the number of factors in a given number by finding the smallest prime factor and multiplying it with all the remaining factors to get the original number. In other words, underfactor is a technique where you break down a large number into smaller parts that can be factored more efficiently. It's often used for calculating the