@sigma-js/primes

JavaScript library for efficient prime number detection and arithmetic, with customizable algorithms for large numbers.

bigint-crypto-utils

Arbitrary precision modular arithmetic, cryptographically secure random numbers and strong probable prime generation/testing. It works in modern browsers, Angular, React, Node.js, etc. since it uses the native JS implementation of BigInt

react-prime-cron

A React cron editor with PrimeReact a forked repo from Xavier Rutayisire (https://github.com/xrutayisire/react-js-cron)