Factor Info

ID 141864
Size 639 digits / 2121 bits
Status composite
Value 211152666063769492140664632017797636593934794591580174614552635740449421703867651221186194454969478907789291392676874745759585229660908739238501896541594165759055543648717585598651581403409068517727924889413266870952444996700534374684549129866245446478675860585925613938255477708307343252826115769460983529015933326233012880572752637975143183796283051659521252954837394134726025206022431225433011324512797274598265744290020498395255124363835667899886340217262941311882076347393241910857678356577805585359949905501515625996696153519962079307641463833220438163565744779100622690722219231031325696395830203453188887500742816414007119596820281

Factorizations

Primary (ID: 16478) 1641395317366745868848220671801 (proven prime)
(ID: 177164) 128642176463934985969545489784437547490810057351763858419955799979044989780260019829349666204233535236834627202025396598115977608945040334887219601015307606932208303915334391066567847061740753004801664541143385510666419848985637203563973978727980590987378869888158571450865293635581694898000255936428063586091295680799007345754213415568234134773575403283024602574428073016584424451050985840829453815091329119958118277495143279227331153838362244298420700151503166486279689954666349624227531563452074464249066120175001353943367531019413943638649838156338984653248750581537362708045249110944629924471916702484481 (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.