Factor Info

ID 21683
Size 590 digits / 1958 bits
Status composite
Value 21030110064584621396673622081270663364435076813235987536924504493943599460256239899600222780164959336584551159756698418460231883440671212985550546793748420870806411411219157145582172272396462383655465198484900403717392644258946716699857524989699840493363420359440154010826039033034356106452707895589592145953863180324069770806595530864835546707426355447103974923425381731336538124059275527252228091055578037044215221151339228500915688364601527262753608035659181640970607210259520088897479188580582556986773275127079079685882226896579528153908266675170896368054716749588100610717358460750151

Factorizations

Primary (ID: 6672) 172827552198815888791 (proven prime)
(ID: 21684) 121682624078319308371164289788477872872136516330018133588361326736992560953412752124685675822233500399755115776009668161612125550912052750583947740647999264355593484263710873480427604121444112843303243692933103030780836839537476117907744022520989022133088290643011797198636011924124768155358516331962945075815001148647835032388182533781608877550342228807342002141381934688817808042035155438101565971157065354716719021710502803234324862971340589215064757904413601551119432601836389345905656419920976135945669627228996042602603803587527248738770785547209792444788806442961 (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.