👉 In mathematics, a "decuple" is a number that can be expressed as a sum of two or more primes. A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself. The set of all prime numbers is denoted by the symbol "P". For example: - 2 is a decuple because it can be expressed as the sum of 2 and 1 (2 = 2 + 0) -