Factor Info

ID 170851
Size 689 digits / 2289 bits
Status composite
Value 71551101962256911899485105852812483559167457520412368520039889005061349523135966878310017941319471458739934349126652492937576528280367776435512492063255668037232573667605950895289299688297284887042021159729173016776146317574901046181534030706672020273978949391179019628061195789078478116412998192069283630385148519339377955456678990416487519332141167689798952577982842480222879234515235419665052792993414388900811030752405625797601513730256267158337694788997791406670144853689310286612059762085949553373140592227196013397085841025944871753435093115736740025875868713319482853394408739178293007742645525816531298333983781381285288636401969622604796525954858522714779991981776273931069906023

Factorizations

Primary (ID: 169981) 660681544043841038937651312571 (proven prime)
(ID: 170852) 108298926475701543809067016762388531383159384375238761192172816821145290740793326171085868818981609337082308275301912493392089341284213272936833231958854652953556790247859692916080076233520023934008816332510706032788501957790219722458164485774149937830736082779837929279573517270955336567265466245744863097317264822009508901248591568252872306423981921549375784719545421194490812888813901845104847318206278387011538298878510573141749166591635752409428370519102687481508332844950824936120849101527249872773602380806601526760965679642170932515642966374217852626129013231932470483843038756892752190389772529155675614386934039735090224455667275804526696577564300613 (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.