Factor Info

ID 163639
Size 132 digits / 436 bits
Status composite
Value 154782150168142761194083293187727200893857939203107225514222587755482901939678823717992386048456277545182277143144405718908361416373

Factorizations

Primary (ID: 163525) 64803541049084747986977301 (proven prime)
(ID: 163640) 2388482907915551707087205718292629124813381651082701532530180045041030368991571641711212340022458064253473 (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.