Primeutils are a collection of tools for working with prime numbers. The tools included are:

• Counting prime numbers below a limit or between two numbers
• Checking if a number is a prime number
• Split a number into its prime factors
• Finding the lowest common multiple of two numbers
• Finding the greatest common divisor of two numbers

License

This project is licensed under the GPL-3.0-or-later license.

This project uses the following Rust crates licensed under the MIT license:

• num_cpus — used to determine the optimal number of threads for the sieve
• raw-cpuid — used to determine the size of the L1 cache of the processor for the sieve

Also, the dependencies of the crates are licensed under the MIT license, too:

• bitflags
• hermit-abi
• libc