Factor Info

ID 171281
Size 1074 digits / 3566 bits
Status composite
Value 152314972595145672460183817732093529371575679701484196585811890906903102168080675430467820785484523984519373817059428287225444557448533887524166285237444138867964979947686847475780775058217655833156821144568635300773337454830167441406015757578245689175482569124397550070259781724582904148412763771463303585950217911671616027122654849743961699455591970803834469438485576373906722515129597350527623312265923744628932325838423369008976733501958344887144995794396702413951470355048851264416824946874539938462856164562741723028624026484878091459545432005116962600640055695002040259903761695307103842397966048703225680069709698670891498431915792481869255510758969045584991268827522018696006965215137663874133592642935960493740463665047598332763075954599414472904211551898464342428491727424341741000799088003066063494336256024675193510865459388751470392717169723025661012533081682608008709201512545350834079373774092355387431275473648077107924126387994767665915706978978401755446480737652241210281817971655844867838414506423284149000186151493602121447516411101661522486997739363203

Factorizations

Primary (ID: 169695) 431411742680060632111308984388450999389176837407 (proven prime)
(ID: 171282) 353061721614063751850816848885945247325146552884512667494346480454020060016030752823735045353399021384840106222573916473467639759302366267064509024281037547549732409013932712320705759018496759960819904311811641699613978697952147415705066299325876289359384085042013129500884184003387915263966507830952350190201627551683374045726706848856653095009276772567611609931196580728267006053734997893869702966223085331800458782038676297102629017823534815201937658337310611561353673023670292767339776566769572009421253141926069235559580144502327836622174775501789122778706962214060848285096999977797383748177197368867268130614120003269113343928502380275348340578135006065572557178470204341485444768564389650762785896734010523443505644790000162065509561797322038317659544053587409289086521592928938537795673960133710084065992619898172329270094825850394759317192216645613265726513709422728506710444220067478590144299224358049381746252730275987837936636595654843639164412428364148461279458858578531977814263731909753547091856955964521171229 (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.