Factor Info

ID 196662
Size 640 digits / 2125 bits
Status composite
Value 3773406312158797563739967551282662590399123188898362133407906500138772248506525040862521053349535139327066411803010705597756035841966036053154547024202939632356408028195428986024922884663767849454415273714970974665673572854647867847652759270023829209700387185687610955294339184066498965547350843820587172103572868945888444065542505603987301916454454242933492249098250616428529996293781146138874430959994805548119576837681930497113959805030972858214555920966218046953983618905291973514478255226197225462402968901053873899864340165436932355621056576353964571851009862514500960973197900815486986000487425250501973646027796070157474307162393609

Factorizations

Primary (ID: 195577) 10574951647274515477183266617150641 (proven prime)
(ID: 196663) 356824923462540688778694101373857053454454508391809856538125414726552044449588638099018260413940075679274504472761353223707686335969352574396441877385592566384288698870260759076547324631517280734266664673553541574939482161253781200397993335044858951512438699692910379975426838598187825481245585234044437633077445686357438960598892084541341493233925265999179998662553860136252695077306693225696605935990644225992391590361571229183634371773276092078659686384217884814411303055180281565655851378229428510623485582198219035262071988815298771833493624447493747933733939342959176164119186261023840306730316524249 (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.