Factor Info

ID 139621
Size 507 digits / 1683 bits
Status composite
Value 308918027125592181569318380545057486841163204345681477358341782797759261302066052112144696370980574336952801054741988149133911590010738567730123820396181080720753607610033163800746294955195033201111603775933074796785451001797324037556282207692276599004369541617275830310543704088777859396837541633648752653867978655425614260786442985025728175469654560473762641542356510895346094435755503269652939990213098901331880485335611100975806348865934561817545309633028239550647777201621439876434748120992336788170653

Factorizations

Primary (ID: 173861) 1491813460011762079864482428886709534266083059290451776466459726559 (proven prime)
(ID: 174496) 207075506024162392883547296965948951930729899466131509837541659147708120110025663378541304666972985371802196555396562074585516443468696492499820223031341635251765321853454656280131074381211238499782136280660241240612578857805399042981577111739575027795344356233534445229506682719551459456657502547871846493703069450300910192923823387626203847167984989299237297489258937375013260292103897149146804924107730625691464950746007427586425771716867 (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.