Factor Info

ID 31519
Size 476 digits / 1579 bits
Status composite
Value 18016788997023321411229605776586218507957820810131524980504294748880139697257481131539084914095962457925412404489866164243147971685605271609439934434441489678138689999685706391794458843522336645517743820926961759429158199042439815309674088142917416014229102301653817869678834937125884485760131565411101722110038867023805504613157254898318487988605894678084994143519149881844365117591934789857398687507501962571056219637230974110041917527354314130516476828812141019308285257063

Factorizations

Primary (ID: 17145) 2389106853487241752315685035579349880354989277451 (proven prime)
(ID: 31520) 7541223604429936482042629309703274966108574266715441042394400551447087287414844358248215238108060400194921907856455015702097773292774360568483942443942372869210464953580089998456071688207746442024780118938778257313430177949782943295404460737798070292977162143590981514316043022379463874118034166295493782340611904806392525487281900559020231935869928250120326405834224074762249664639120333705619048798411007341026740920027160213 (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.