Factor Info

ID 147820
Size 308 digits / 1021 bits
Status composite
Value 16209149414802441263992521046482338543509956543712936563773653468649275433009234957953337267347104344708775039915501415145826704601969501792243768354263063411296426505749706470088400031316694367055109055395129298770622397936023227317553159500921617510472390364679937670173960334703209079336311132004540797199

Factorizations

Primary (ID: 147083) 154154940307497300453157 (proven prime)
(ID: 147821) 105148426527684315272883718988934058709632245107365005348773674805994594725628910180679996520148320903678893322652060295270933665543997123506201842064992268328118264191417575147288333768533238770762543889823519310350681152511688432681671628436536884195250616015367107864623947541654307 (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.