Factor Info

ID 43154
Size 275 digits / 914 bits
Status composite
Value 81609560003186795973117369824057759952003168461113350221047410927371355326160204803801280032144240882231503863887465584142933582455627544086731487518596290754483410799572565279296686433319290972128394218468681298649761344039218007234007115909881128958825982574892540072263629

Factorizations

Primary (ID: 10065) 899044549089568232037609761 (proven prime)
(ID: 43155) 90773655305323874614613913538457477930732742544243544435539091259095270175741738918196812292886372840556563577327999355720298052707519710033725749639829689673377354886692792154328675355565614335626692272913531768463835192061493973491458749402610989 (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.