Factor Info

ID 159735
Size 461 digits / 1529 bits
Status composite
Value 15172731930457448958935794218082276599010880644605300348157847484132361332726293229301416274707069108173209517712232050358548561997213787040623534088573768777032670295530162362937461997859926421605290996609325909779887457879468854958479953042673029696777784282320158086116466617097514304531929602511589859172304934691192907548765397986086280604520586114204879237501703469746013231328358521425075507751705425880992045615630337001613813144014048037400586383841113

Factorizations

Primary (ID: 158975) 421026213204368695355652881 (proven prime)
(ID: 193226) 36037499458715441574365994500803838300191494413111766220430453561330404311060138593327473407804751589651607574845487630686637100193861333835414550296036580639105826876268689169839634023991226464319078403863820664346691243649129245507917217569062870838187612461614529161010358537789363820703397032399234514178978345393040906707491316282987486459810215870232727352902270830491924871235894509840975107949491906112849581312795710518396873 (composite)
Secondary (ID: 158977) × (ID: 159736)

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.