Factor Info

ID 21939
Size 421 digits / 1397 bits
Status composite
Value 1909222101590080094972242650776822517574334990382649937541276808268735787654117579476684097139404961471275864781722088517495348410711671455021021796192419835197723792011425700746095998289259170973323718228203957956201139200357281388996975223532905409448296546109990508619246593603107206869440130012681527429149041476776367243657923544037944314263690348584267845513382351953023671333166873255669049130530981017061006979891

Factorizations

Primary (ID: 30713) 1559846737416416190521379247021293207712950121681 (proven prime)
(ID: 30714) 1223980571804340523481378206473154614080138654689657811647091408646514301249716198688669255536994661550002490778283996436403353215618955361386112972874236540878006338221685819456233842815569890148969529187832627555264824161342039662938283790069967084636493632007538520496044750391062002488645715309812549849171476208331288215495737580277900779326469796135371715483456649411 (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.