Factor Info

ID 21384
Size 493 digits / 1637 bits
Status composite
Value 5169163032686261737655552097013098685102292158146001123163974905252408443913836361903261726111384184888946136803625544215386643847151574815851120288051205348804506448314101819404831465336034325992865849234601570001837443738828570258469253823328239956677693108762969030222916670225704780181302527745498299182372519092364184409238701183111797283011328300481193195705889841537553190022276948799170481371972731824518571090577815988525337450874625992499059224739622605322288471277974712550678469181

Factorizations

Primary (ID: 6782) 136120444765766549215152778976644223266629687067883561040373326929809178107924810841979832452900690680385721 (proven prime)
(ID: 29823) 37974920237597359810183635627297854588440161137388082492106175058804256802669823423981873877757586708187351441286246645921691295503020750117673730702689574554667675168423166421785946942139335969899403001822253134037304641214780300295520437874237672129238501943080003081748667890676354029147967336709839434163484728940408012068053604749439535378321322717957349302196873284665998223076261 (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.