Factor Info
| ID | 7999 |
| Size | 139 digits / 460 bits |
| Status | composite |
| Value | 1968666591478483381663188791385766255650998972834579980550425515087307417423824383442498147644571571813914745942577349273372408161024425681 |
Factorizations
| Primary | (ID: 7655) 2953728137900959095135649 (proven prime) |
| (ID: 8000) 666502297966223448133713398272244629681832088968448856252927893941582238479420034420291676369977947359922645349169 (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.