Factor Info

ID 187500
Size 462 digits / 1533 bits
Status composite
Value 255578348332702164109428462926107679390959958512583730489834225229840723197510357919755280042566704110610091297507443984921278583838032919857662486697437169151012022886068219328894092798160575445341823435806149518582267650902851527621157238636919817748275934097866701971348780077805967255143934496259872616850015641566847352183136459216343413728872994836015444269800143766346186994391536079737318360022401849329008179565841637828735020626818261013690066133116881

Factorizations

Primary (ID: 186372) 16806388163426830880128170113812981259408407618730161 (proven prime)
(ID: 187501) 15207214414390248865551950416244490696711594599065800853819649788379608031500287543242587126602180114341809400236471398948923551539185189756131258514847086190296783894237996753459737616367029734509328853148769747839383240829218103089043103674048141730536946165952251935465866537971269544356366018617509154190096124728582860183396424024984254379514380681880989220649268719626660262682132794280627762876621023521 (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.