The Primality App is a powerful utility tool available on iPhone. Developed by Bruce Schechter, this app provides a clean and simple solution for determining whether a given integer is prime or finding all the prime factors of that integer. With a focused approach, Primality offers a user-friendly interface and accurate results.

One of the standout features of this app is its ability to determine the prime ordinality of each prime number found. For example, it can identify that 97 is the 25th prime. However, please note that this particular feature is only available for primes up to the 100,000th prime, which is 1,299,709.

Operating in the range of 0 to 999,999,999,999, Primality covers a wide range of numbers. Whether you're working with small or large integers, this app delivers reliable results. It's worth noting that Primality requires iOS 13 or higher, ensuring compatibility with the latest iPhone models.

With its clean design, simplicity, and powerful functionality, Primality is a valuable tool for anyone working with prime numbers or prime factorization. Download it for free today and enjoy its intuitive interface and accurate results.