Welcome to a prime factorization calculator! Also, if you type in a number with more than ten digits, or a number less than 1, or anything other than a number, it will lag quite a bit, or even get it wrong, like if you type in 16 9s, it will display 2x2x2x2x2x2x2x2x2x2x2x2x2x2... x5x5x5x5 and 9999999999999999 is definitely an odd number