Factor Info

ID 123280
Size 556 digits / 1845 bits
Status composite
Value 1491263731421557795874674171974884023425387981430522779732387845201887316788254663869960115012079929976624763290709086838600530707747430314578642491293732358440016383918600754628572957219423534102374938344764313618892125803930347240821777882220033048515033759398906637865036612841500449478835709147234939505647168752260825297225731734573984075866770894893553559285537970017895731132336324579615464954531455131167712662476488338779140694874235175489991013691136105142690138511863561624898441673316375933198745842250676980402297045582409839586648856779015211

Factorizations

Primary (ID: 7408) 474509504128267649899203532561 (proven prime)
(ID: 123281) 3142747865843472995847928276453423516956192508989159693593189186052025701359156886604908079465972692767551866600174890683939389353558305336476001599805637053104904926464086586955995352593791988367074862828559408451345551526108935137065293487409634676642557172233414185801214492860477136450766098316614145265190982218792021524565990893622617779083094540585110332289883653921079257639792038327580481460641864763071255982470400493791531164464658565144552603440769319819158143748163800019949085012196146789471745232693512722038651 (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.