Fast Prime Factorization Pollard's rho algorithm + Miller-Rabin primarity test Press the green flag to begin. Please enter an integer greater than or equal to 2. From top to bottom, Result of prime factorization Prime or composite number Time taken Success rate Under 10000: 100% Under 2^52: 99.9999999999999999111821...% More than 2^52: Significantly lower success rate