Factor Info

ID 155419
Size 552 digits / 1834 bits
Status composite
Value 656568650023438021629265404773543628909886899611278955977433930064607911878126310361235557094970414262817380324041031212380891029312916853666770738815182652072623058837097962478616448464111964149163423841292057116353208901167712381818944655448121614098194616318881927447672454051875440711384798536236780700078940761280775496255617749638361425357032429353825765515741373610737407553786909608177942958372607147750359716344398040845310751834634191718232078896488628763327321951174928893359023026174494389912181514345030600520771709567539088667426048559639

Factorizations

Primary (ID: 188781) 492720843616088468400497945831939180277753459209351199481 (proven prime)
(ID: 189384) 1332536787372068758231702350444116869125431442426494345690087769428229888537827655920764412364434236774997609879715048791599493249173638938415416274507093200727254267491720763998861249911907319973208549689319435465143582970651683193358039373902083363167174326685444024150638024122153235591772569391616314978619030989818510964539115100403549592722487450705119727262536802549231001704515925415236145426722611292881932989152710624256613424411384533488351634579672588591641651002600533567400824709519 (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.