Factor Info

ID 197961
Size 864 digits / 2870 bits
Status composite
Value 689447387520296783022189284576963558504342367409257127164091229802635130122327981441688403221126936047083837410621808377281915777656216521707539863525831954652553764337502974589039626646866104802518138124661474587912313241223570580406779413636358953338888341447637544767900570223622735008253081271506835642818780921656108847777066511886888235947752476727135729203320675770100110913304927879126936522912364874902977426557094076693367049306000928124858512180771234687467283844563231764170738485906611670628365182142378596067788491179965862766275646120048350556080522813731831958842751993372498174761075667029431149650572208039061472863342942287667102901959157394233926387786060080342121591391654556559110650773900690914795626604850522290356849972848777750074742899614326143268617980956209309352091633186923833278035220138331659607184652092942259936337955153286991301

Factorizations

Primary (ID: 17469) 271696650711235713248500256972633590883334525976176892387276364981832992375182426818192208801216461941493240842717505382975945252028996771663 (proven prime)
(ID: 197962) 2537563071592863960173169469612907126465698972878289630340549653933768555983849564329510862642422509136992428952842547672091899888335099298569131941513654247402092500810041189466682194238409825121023592420306186344180501865739638014642947855311733607615401907864557940139994727227264156894835597108549687661817939648765971470903846205903280803824130791417563974640195852493060187855622915192895982672448217247909705450032209426848791783188660540798477486764072327483126479239705817370033104314893535434012809539212600230244631008830081675347496922781879784737045726265707644286534294252653636405508539124663803526331722140089118366469777748242642307267962230623811917255654416392013964740584851767767182126605373048114502827 (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.