👉 In mathematics, a semiprime is a pair of distinct prime numbers that are not coprime. In other words, they have no common factor greater than 1. For example, (2,3) and (5,7) are semiprimes. Semiprimes can be used to represent certain mathematical concepts, such as the number of ways a set of integers can be partitioned into two non-empty subsets with different numbers of elements each. They can also serve
