Factor Info

ID 12639
Size 135 digits / 448 bits
Status composite
Value 605104716168376918779322917818491443912738760073384841469039181798938782765519171652324360262199805461621734207744818328562814834670251

Factorizations

Primary (ID: 4372) 2278135721427929786778229917312351656251 (proven prime)
(ID: 4587) 265613988875561282309785987087881315629196603426117076241026523925825909488747521705813670514001 (composite)

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.