Factor Info

ID 21127
Size 398 digits / 1320 bits
Status composite
Value 18957875532648567135001602211013871293278079705105476162430908447635863160775374632318739261952904116833667698047766285953726348897661897441790206210147057193492997924475209556260276349000891107609389468190917686503427626412071191439121215581872218055240393690421981149708361912904464367003299323429713682508782551807896463469461931018792341347442168314828817865063858205153747827718987283112862151

Factorizations

Primary (ID: 16287) 715560993113581787837326861 (proven prime)
(ID: 21128) 26493724106114546946189152460127728085859519677834485129999970858580127283790980713270840131639078066593510306050730130219485790942188533173250740007421702194749506741589822743699420602045762292182649133080802168751877260901556819794752962700369836113054977013613295742672596230041068685236539866490577447507025271496647299610786386437800646985990640469284565195324089891 (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.