Factor Info
| ID | 172090 |
| Size | 166 digits / 549 bits |
| Status | composite |
| Value | 1383132932855202085115347563747532049284360722091872006408931674237265864336643746520736810265476553038902176760940489637606430256235784651903324527220994716307450461 |
Factorizations
| Primary | (ID: 138371) 647085069149724639818371499401 (proven prime) |
| (ID: 172091) 2137482378742953665401206921012301076836680749651624729720060115817792813236352952864169117211864906271084210740800094265999360058187061 (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.