Factor Info

ID 4959
Size 251 digits / 832 bits
Status composite
Value 17663896875659527663668653801702238525061546847368552031424480507266505586973545514059508422157029139679172610948533922495201831167990710418335339910552806541492033837294403094598664423130728748982291884379110694836215417728051385132481132012458813507

Factorizations

Primary (ID: 12130) 1666033953246993576905689 (proven prime)
(ID: 12131) 10602363079836231934780434673621338331398377283775054885380146870131191922971317135696007736678716831986345734755877953857413712720336591634237570162648334522176229250100425465257787027255764414826497410535858786758728179715963 (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.