Source: wikibot/almost-prime
= Almost prime
{wiki=Almost_prime}
An "almost prime" is a term often used in number theory to refer to natural numbers that have a specific number of prime factors. The most common interpretation is that an almost prime is a positive integer that has exactly \\( k \\) prime factors, counting multiplicities. For example: - If \\( k = 1 \\), then the almost primes are the prime numbers themselves (like 2, 3, 5, 7, etc.