Factor Info

ID 181317
Size 400 digits / 1326 bits
Status composite
Value 1181583618556685523292913824963990126900975122327210411568551751230072747029917181243893590738892196247035939549078938441213032837865076670908455507115134220405031426906957877474318604307038643011740511959220413329270693945360386359904228236482921371466354960053311068577573989679302851795619472931615195030992617968375326722522675167545469252965504033361149840271960703364192430870953236463788457043

Factorizations

Primary (ID: 4235) 526256453012063980796131127321354599535039 (proven prime)
(ID: 181318) 2245262004472938454568783053295874006860968851542324117072204307879924089755543514611771876855133580807764145595132751444624618164330750755733982188663852257095082013165028644044324694737384752627397148332605801517652978960158833223130236699803779417956376704131005504190086905086105591616220873504383253477317650119660740338373609568129069809786457355555437 (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.