Factor Info

ID 148023
Size 399 digits / 1324 bits
Status composite
Value 288578813934598847295836710522418713902192893044397028643376076779162688286631432648059152309384270486730633386549081034684977021956876335268761733837050157797505591104677563393575236536595790551408724553743809441158484211929118874023815278083150991567135800939228212319703250293564521051153773935725495335422562057072945073346806344909973082955848523709101123049105367242963807758241461524056587703

Factorizations

Primary (ID: 147252) 728277965042053100588761 (proven prime)
(ID: 148024) 396248174167861007533631425351805259619824581208528486905859038601487094383308387331474876065876845446474861160851147884022005091080062917499341066198219651801130211030879472100995579114677435681700221052467377844973607676850299055311876334814216441063247674615554880172008355639147107335141391023398834870462252684048442270021203298072459873479384875288991690666480280254223 (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.