Factor Info

ID 171970
Size 254 digits / 842 bits
Status composite
Value 20955418563957635388638360893083429812540541708784631026094207188764106553174996890061151657199669582969484608578806985797861471711635187744027398157091274459561207147767578085262154993370676608130899131711352720762263019937629208256122108028037181333633

Factorizations

Primary (ID: 136466) 326712043035342859080672505541697769847233 (proven prime)
(ID: 171971) 64140330944858168912575226529414162637508562707746967939640086988393207920724253290533206681756087125168248488013497294931305609239407251987133838808861402114690445000604905288333502912855460808733450034528900801 (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.