Factor Info

ID 155935
Size 587 digits / 1948 bits
Status composite
Value 19678335024166397218723299616813843876226867441233176852998567605038027579130409525338314801309175517773950764070275858014207899474816680037953520166779364754438105918211445494084545102248737552415610220680807027909282724950013988298738186667172744131784835728513070954196125826154549452641168002781268182087407000075192294431953581639553164873738235308420668508670082279925195695377771919715828571894307609031236320835916674568887423153127071209676798947706658377794531149721295453189583109058848518593872825270216642480960602383865136045947040242469326278616816020912369374379932969857

Factorizations

Primary (ID: 154684) 13567765732542221348764897 (proven prime)
(ID: 155936) 1450374027093348508410048432324180483902052290426224841639382780143589732751845371890826961874483059820600245746804945319102034533848702692482657619635034949166619251202828064836894950754693307360347070671981195052495944895506418531732796173658626493082169366038887468690201787815331770258280839127773717390252928328388503197228927997873983688273579884659313023110136098474920807555211540995880579873635847097187022263228564551995653390277908772351415321981316123593921688213485868861950009081726681609103402648872939195774107963238489880980228584253582834475681 (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.