Factor Info

ID 176363
Size 251 digits / 832 bits
Status composite
Value 16860061890152905825123328417167869198055079213262746620151599567276591407740937374212628908761858868866146006380419837046980787850952370913333149730509793590735824638575368046408244968411175439698485957235325689378759580416512884970117704540847704769

Factorizations

Primary (ID: 20470) 20691977917423851603099240431281921 (proven prime)
(ID: 176364) 814811515720580336146191842824420350345558022170090544520608168049058882294137064873311945954643628687566469805609617371455892120066944744492212477494167818826758078725652305520621939960998942091642189423375367037889 (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.