Factor Info

ID 31142
Size 289 digits / 960 bits
Status composite
Value 6403048130608716823955682031276321257206487132196510023564368642482040654906630903446465048170204185302327535417488423037457275614227348868435658162631826912332990789401430552913300020583353647639545018622971814159385481437622502399128545044750397533338333017752772900647472077795823162809

Factorizations

Primary (ID: 17455) 2400135849956129030979293221108376113 (proven prime)
(ID: 31143) 2667785713348581984782187144374015850961991459259377929076115759442094340364381476992475980185960767924905813627680179795118213164617577852163392685867240465410680424243119537398006581326946122861153024194948032906744939852866881647454166232342651421193 (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.