Factor Info

ID 21237
Size 427 digits / 1417 bits
Status composite
Value 2008617022591581511236907455171575498120860422293414451383177581808999844459940125656035326946120097727082460568106740129277917767117070555412908619442438223905708219529802041668558894579387412817824053905943103516901737283065353728048624473284590784629974997405401768666272451075565578048381322806151439548083457936594269758476048821915263441470680750174849278438498906102464710966977311190325561052262476773463436643936392911

Factorizations

Primary (ID: 21238) 1252793769893485852966777639 (proven prime)
(ID: 21239) 1603310194272722739521235448998354779224648951805149611129231422040799195692167111542273529202890303152443509589677425849298919401799165092139177266039800794882126272564367070178440388579718852800267221969149659040243879945063895159719231230129031014949311565038428218885873036027394417831079252299489435866791000782962416063261953514915362720514989346398042699502780117342673633786180132069487847449 (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.