Question: what are distinct prime numbers?
Answer: It generally refers to prime factors that do not repeat in a composite number. For example, the complete prime factorization of 1000000 is: 2 * 2 * 2 * 2 * 2 * 2 * 5 * 5 * 5 * 5 * 5 * 5. The distinct prime factors are 2 and 5, and the number of distinct factors is 2.