Factor Info

ID 155055
Size 340 digits / 1128 bits
Status composite
Value 1988844738265877939733471820740003420907049031358423862369387352394530670959063251827297750238217021564018859072808914543226182426338670313980889150953744392047706722533042419634213903890863655044171547984217011476827190613509235718778477261707340776501378296429546109167328184839372325029603028978264226748220837561922458857137851371048109

Factorizations

Primary (ID: 188781) 492720843616088468400497945831939180277753459209351199481 (proven prime)
(ID: 189003) 4036453428009469308163970402234762673535047956768923149013778661980469360003892907442137341657758762344205496971875261477638947612168410734365490358087609471689441830860779160608574722389002306923202531229134104671684615722156185731680895136037116335357315856473673003912986948450389 (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.