Factor Info

ID 19465
Size 153 digits / 509 bits
Status composite
Value 999164917746976116327455864869552731433728941670448188795937530994423488756326860143528888534310245016750931845394002687020523273267764010282046803521311

Factorizations

Primary (ID: 2154) 4340876285657460212144534289928559826755746751 (proven prime)
(ID: 19466) 230175856669373992253976277974612031182496625023886807386072581333871027940087154579555293851089822885094561 (proven prime)

Primary factorization keeps track of the smallest (known) prime factor. Secondary factorizations are old results kept when a new smaller prime factor is found, which occasionally happens with ECM.