Factor Info

ID 21561
Size 327 digits / 1084 bits
Status composite
Value 160450078300900912948652508419456760785884915990468463263715297538708678135971784898695053514551617435414932672850000238109019721996527549420520429124816339464499441394846167370797940451287493766260733342043705901478997639987518906940765488764740336000698226305249383070477215535776737575305085636048633728689899254312419246351

Factorizations

Primary (ID: 7017) 299541552154912341601 (proven prime)
(ID: 21562) 535652156258847797980861260143230289447086456986880072734559840085334197608405797031239450397918683505202170396285846703207897834046296246844686766144444643712359582885657155442224409200001974580707321453427785458906471602285278371589470276269701985214292768187516804270910323415275693727995735255004304751 (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.