Factor Info

ID 55646
Size 251 digits / 832 bits
Status composite
Value 16280017219364696269597139078989360749992667564194880821959003244769640739605443734422952966237187103297610838542482093021691525074827925788110470313540789928481700430508948892823437080030594980756995696308668180973569452343548893640337825231910279033

Factorizations

Primary (ID: 54875) 668229430151772307653060812800711311233 (proven prime)
(ID: 79321) 24362915616672376050988923711037416320033475000181889577337659876576892001354084177856126173439420453559633463002238370285204308976296927558305837278005773120748949452255778834515226376573291503598288578952516601 (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.