Factor Info

ID 163978
Size 252 digits / 836 bits
Status composite
Value 329663028321818552177789153957880826676896056179984445359664173225854300460605108621074297849513576790739966012326837678269131294807027339844089279436383027068559438335619304522310338600498256152184984835030335353083192452452496774085272713508542504697

Factorizations

Primary (ID: 163521) 8867271386989288065907 (proven prime)
(ID: 163979) 37177505225059916750634369517136522119067994060370257889640992318886106066774443680217429793582205410242359732466248679942438629121605680418647278057799901344028688847368695286820429893410916118240278415362283375054496198953887971 (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.