Factor Info

ID 198912
Size 867 digits / 2880 bits
Status composite
Value 618027854771248045411161140371071101842620943738111542712198649761611230740574690558869413709848858408238809780763459148529242464594661906887211070197030179321177987036454809824558345350669722492825233860425816781888181783717620980847972090137671942290862770206266865521643189906826537908784012312844216672914885540311746893922329974920136705830667638030075360027081514802047266846418427220908664163364004070124795119218703090549231885712311776716863008861003487838900193126891473754115448690892444476148555460997186257116650876561169688673009675487077677045848959769821881383897520753055873240052887520147342512557239653809955510770050569761227935613814758726158292851942945416491420655367957726860951679398255081826691103415526748357814089467792669348093202655647320770088958395861408204166883273138954749390491629302806701350931607393833390681082810661238636125999

Factorizations

Primary (ID: 17121) 2219821955745760247086895900084483710540707577 (proven prime)
(ID: 198913) 278413254347517482795907254747554394617525042068070848099563481905905368122963406350203300637282362177523426022200771996156282255780984100502903339349338603196821249851573756983045457819261656481123499532824056065819835466442223704726764261740341746311285182408734107527000967258216185804397984212898572135356852329485049643011278015251847583123429945150549248207079928455643695397150377785414290804876627082148554284762271578660680769864429614170672197362476654840738668702572187946647923889144712381896573944790841950545733517285469732843115036481093696882085961579710428728928358963224674947541525460293421163898227444640831694645400004448813923235803593533845559346302706875992933283963235653353598010525441010460320733972509383351761202672353675236531774019728023236027941725987197168305901526671628196080806401968487 (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.