Factor Info
| ID | 163872 |
| Size | 189 digits / 627 bits |
| Status | composite |
| Value | 499055484390414586497910954677450964753504352907238560483912112019363814736462644397170687793124346349898759580990975606621173231534554173902394569308660316991355591447057655803651032998651 |
Factorizations
| Primary | (ID: 163544) 344259250668476133897803120866298471 (proven prime) |
| (ID: 195538) 1449650179105886157786465645923743322973156791598020023083030389156578529467373214936679804393857886479159643100523679803954322445461567269912429478997581 (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.