Factor Info

ID 12289
Size 147 digits / 488 bits
Status composite
Value 633891595901498794032982823677544180497719548648889321924502457211237132143671448449449574354523128379353445055749457215755373877425741400173915573

Factorizations

Primary (ID: 12290) 4348448310897886515372957809099004517231 (proven prime)
(ID: 4490) 145774205091243248788288698285520297797062666607670976770953618247557290711362071955053996647333431708403483 (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.