Factor Info
| ID | 1998 |
| Size | 179 digits / 594 bits |
| Status | composite |
| Value | 40404627667056044272510573462797821027036898207604388005455850496974856348695269235613714586350713246376753701119542970506005805001322650645996792821364284164566252833171857021409 |
Factorizations
| Primary | (ID: 1999) 406625541081755371529 (proven prime) |
| (ID: 2000) 99365690506225149609917170129545387706424506117773116784139675830543097774912266593650075255866320683517007400379586102039100115459474091967530125928830781721 (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.