Factor Info
| ID | 1958 |
| Size | 183 digits / 607 bits |
| Status | composite |
| Value | 289963973459400112543678692788293234847875830519125045658765075254207333290353777989152551268289473587650729956965953005657332098726768396411085721183547301989552217486373942284459521 |
Factorizations
| Primary | (ID: 1959) 44428193635116460811498023883 (proven prime) |
| (ID: 1960) 6526575800961888965837431486114728715665118938126559727828381961323957721992486883990638762422386026997862977680677041838938293772894050656213601887189987 (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.