Factor Info

ID 90778
Size 407 digits / 1351 bits
Status composite
Value 28115369798937872344139502520486865039783199573640094353588006861794501316370257127031494350040527545408043632463625302940264274611988223719870119621812869821935773760789847232729361468608107852369835568964932066319327493689602538736516327480127343040688059434505339909574536737998495477878950019513047525604890751272540973696310963861838037732344142672637605428630312272568291892403444435338667723118827633

Factorizations

Primary (ID: 63443) 18096566898199845748876620858956400873835703993540207333321980837727802056336586866370261470365091582482555679697516241491181 (proven prime)
(ID: 90779) 1553630031436219322345740722111995184040612912853917516023648904922489456116897217400232911362591013155854248654793757874062205227603679943072508221834276510741574868525110181290958879912860887807103256265185540219219820633648627949211917414983296600528908960504601486798441738863893 (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.