Factor Info

ID 31608
Size 520 digits / 1728 bits
Status composite
Value 8637337070314184728601480557519145818081011411719379393548494749663820903299715690458445612947149344615581541426696112676439339734245269952575418027049322484790938134091401196172319574351807300579657775656364619366230375961104247351483314575957787906672423626313241361734302611615837519548737457980373442972017290370812518762012598239457026333508209139990181508587415539613589536269773749184125834544408851176066522511547305825264087226201816400025343132574332305406749645591327755967910909776824048821596664369968126413

Factorizations

Primary (ID: 7557) 15222145108790213296269418433344906793793551301042423026314429342733 (proven prime)
(ID: 31609) 567419178347370313960163047652897712364862455072330933197883354108947016871501198924685819968871910289645473966292599426564155760014565720583962874765097308577783062234563634433326656102839443427593121400184642815630221875701788628781984954042190952744097879733424417032623928936785303863984521944223100755234987962645769417328237863041510766243448061019052740796429687933252085408272169354406068428861794985742013817916542781478535365328498800994720961 (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.