Factor Info

ID 139297
Size 342 digits / 1136 bits
Status composite
Value 645803680768872621013804014765290570072468003036605062126147359406276147771952409505965220739401562087269975037022879871128147177172435763781658059835182793966338219724589306920662002784033919588304503086812504366633830408580014836221648751920331860204685660167373389758491582890719287680668456120108563980268710600277610214379309103676600391

Factorizations

Primary (ID: 138864) 615840114784814774501200690134862345946783236130283731411280186824640601 (proven prime)
(ID: 174128) 1048654781110723254131486756466185182236791930687493794124370829945261590782844074315233301777614132625084952150599083689847005346754056495474165803362031463927061505729269289781031068857785811763246069199017222614328198741453332238018332537165272988755184975326054885791 (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.