Factor Info

ID 187253
Size 482 digits / 1599 bits
Status composite
Value 19957908912072957510056975764541272932124720417524841415077056521216506752786510596458878006025375121004660468788154259576521939826633614223257061646847231144213649271079951713442403091493024859643753110608022782140379449301822180099816002059668826102668757811925744094646438393195801403772529576149256536888733582645587992891568392875289308205206652678913523275502307227972627449530213750538618586925955329223283061441435534297862291737419649610839472384672805495222798932134410251

Factorizations

Primary (ID: 186614) 26302627316632124822275281024782374578524864287903217501 (proven prime)
(ID: 187254) 758780051582635358235947330191848184834083653074768769757247690103036176600498170533385518995600435094944453179219305573950384773243708492628379038558680310579177686512730049140275456461004281481992948626290106814707100656272368774702152017548250101225160110416725483431715342855284809649640969920528342858708844732643697273951435641869553254536668294408175987005321887619272798750280479408576788296944610204272593679995567751 (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.