Factor Info

ID 161364
Size 251 digits / 833 bits
Status composite
Value 42454802885706849983194989299651402985790176191040797182515927633979354743680969746648419505589975100380088590118205399017798344170520019918247476909615111252561758185256401315704927929627328267410214201604149261661408421317191474530488068150669189821

Factorizations

Primary (ID: 160963) 19464991002732197423653 (proven prime)
(ID: 161365) 2181085153327206508675323158163144902517531308004523521696989289721685571792796926234982465462621509712564678222048747344213403438885958542939607346446661613531121464201241053092626041021156331906859539688524894081187872299587257 (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.