Factor Info

ID 21535
Size 492 digits / 1633 bits
Status composite
Value 225503595721664239930521910580909584973116225670741013078619623950142859381817556200809934198734062305846779912570804743891391927026526620676668074460060348366518549137473261922452047308873713511778304851481530748760352191388764876584955238610518750286893476773638403493377525124741800909483775342319478864584345446249920193647550061110425823833366430767625282232490481687054448610177131603884972983456961470459942739266788099398004757914316372636342028434577018364825857990949651583255332731

Factorizations

Primary (ID: 7293) 20968892312069830573 (proven prime)
(ID: 21536) 10754196853396157028349111965224440856985571746594656246657646925193514559654514045425816234260292076472355030792690942664597231123800510708306395486609940338660839948717686056862410800495168320239611260775678459076972446045897879260965256341683707050336528034984038116217305780268843122967695935821234771044217731238467274033202059191486933848069875168282635792166246392411592194805480541831654700792213527829456045264090234957705256609623203820199007696526184185944424647 (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.