Factor Info

ID 181704
Size 677 digits / 2248 bits
Status composite
Value 28395220564540261246034828352777138570077525440737432403584346883303012982913307984278530362461645076783509057300511077352681736750499693136892249098752898770943321332005879399266841664916028271852028023707640087891034878515259528490011074713692317091177088730081655502201315235963487337816482987750158975543748028129955700636032182731762827138704261181198343016703945364689784069409345919514861456330697131218671385870165468861228280123933705003760267585353260665927342307287995112854239143334837494605881599422789611055636355294074321247186012785253649048359577755907500725779077024173674308942078056889923891534336058477732592799194849912460584703916522086414690041135716569

Factorizations

Primary (ID: 12107) 12979316382965377536101270168850056212946973377969764891073853742033067794716586901915822300411352498964390167742044491133451784064929308477141 (proven prime)
(ID: 181705) 2187728515641038734789259818686240775059169443443224875507986652668111327518598675649955477384931308765982972281743829512683416530696113079157397167808899146818687859874026156570535370483941947195773711809361639745058795591214200771912926877487319145175174913543366965174655115309495984300919540537055874382104680258109140283661586473377945561576298651482664719343412405271561445657117293088744337012678137753422215452106047394217940531258498090257498038074706988928461223375761268631449570815868268611324048050539281789524373345080309 (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.