Factor Info

ID 51812
Size 531 digits / 1764 bits
Status composite
Value 751245208943146930531599856893819238774780724025475220375015155451253052157650820540177554507027467260535182564557646946559993813941548924514014169484877904160149653754290668291306815801707091195413504530166951077859746225424485232841700948309937281874327287964816065656501167467788549926757348608799646980692773728526886560415241874152805139619821933481413729641881785408852945424480627195423259777480660157747706272053407574904526385312339393693275694213405740326401221430354942615065728849078132136347280175724483761623489711689

Factorizations

Primary (ID: 50222) 42437717969530394595211 (proven prime)
(ID: 51813) 17702299861706254376708952929605574866139026217591866480644262302747237984668729596647527507128383748785166340976492291654507111426974356300713159894940435229580570153200480588536932096312631066429102902500179056992740498473804750525842793447773526628598486156253541081055947842495934966337416454741417579661578735670822473685682333483035027874963482302696066817450326009900194846392675233138919503187024865326704933081201751898434780304921749493258267139408988925257332275183731567744891619376028610266747899 (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.