Factor Info

ID 20573
Size 285 digits / 945 bits
Status composite
Value 285979989113617067519357525860270184012624004918226482122205136510505750880492830225736648887401118286523792179914483788442978111455937160853589047769548776424000688374369100803855655757148180858278383274420461402550841737038215019377884128457553475134089799232336769328236066281575589

Factorizations

Primary (ID: 20574) 2602111035179418475927861 (proven prime)
(ID: 20575) 109903069180096854071129319152215490653439040319782464098183901318459174865986986162670066848211649045402242312501741039746780961228073571330335652239995462181664280870996841621198739273019598459411442776160116201941577264988756949085847384616769469165894806449 (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.