Factor Info

ID 25920
Size 255 digits / 847 bits
Status composite
Value 489415063737548864700451832613420509824899733624381974802496013954768852854050125330211563000588173392982537100966970965900450850226819287341525329738208435857530679443598161231824749560206886858034160848862167960405019138954174813939318819198815940485057

Factorizations

Primary (ID: 7458) 2492798330262060062236523521 (proven prime)
(ID: 36636) 196331591607772858057363653006934621945689079862599923878150975206130291990439080006035368629538048020396722011038712870864113810594094225439160266590574076307340253575026503401630081927459567270404502810496342779913022968161217 (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.