Factor Info

ID 172975
Size 457 digits / 1516 bits
Status composite
Value 1567321734868610448216520165617437583051035435313949775091132847781375355257050558792208441180171597748761380750443081279424935875130068773451660584396804795462430098635563736184502683658176347408939708963380065648922228599771981554781712138885389186707517495848471383674988711506562469635798847932137286849723502550738941790146963651102261793696700990624461465693738988040015870319756694130604377598667713707731186517036820419960188475421652634452203661881

Factorizations

Primary (ID: 136407) 480211292412647894626919619228001 (proven prime)
(ID: 172976) 3263816906499989744725856288656014497518583375501331461431795171921612519959268098889136377326986937925495689348099884862129665828278150851401879386125781946079216409968019914475133486774080545916143802136831051563377602549334876097724055363413889822497340544677123697398227885895360089269431434136843307989370364393094799643515401707294900610611707448615770199684984865383604434748339838866616463743198099653467367859793881 (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.