Factor Info

ID 5219
Size 286 digits / 949 bits
Status composite
Value 3870537208619011721993827865065332322331384648930165310837071219227261640795274597136135832167261018238381906853886194565438505679651632953056621760042532214825151827953335194583773445369935875312860340239571769019717172558143684174419890222780448075173314428157848757827479255383495097

Factorizations

Primary (ID: 4581) 18485797607002442471500555321 (proven prime)
(ID: 12613) 209378967080806269904646873104580703754734821361044836369815908744979540616818388024658848037898458827412513462782231697323797072319415514671187355082746390781480501866392183524552851235816164080418847207476347526219930160557269240878481002332066965329385857 (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.