Factor Info

ID 2517
Size 248 digits / 822 bits
Status composite
Value 19970919500755165618436222364644061003439738702169293072661916553270201471652577314967463473907466956984914111195844597177887633767090623308489864469878780443516743738584715379883396336435768198598662206423545605244297719609803777250397875855367129

Factorizations

Primary (ID: 19592) 133355295524380732608674846305692470329 (proven prime)
(ID: 19593) 149757228779144917176204260591184175807079292786053093556159199041982349206415406540332144366189548551670508994053634039049939359298138323011269238802598321754298938863469321281048841531709492264740073694039201 (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.