Prime Factorization of 12555 Factoring Prime Factors of 12555 Use the form below to do your conversion, separate numbers by comma. prime factorization calculator of 12555 Prime Factors of 12555 =3, 3, 3, 3, 5, 31 Which is the same as = 34 x 5 x 31 Prime Factors Tree of 12555 12555 / \3 4185