Factor Info

ID 159041
Size 256 digits / 848 bits
Status composite
Value 1285994968574065314636560653459631907201347104627805687764500127975264622815389434612948104280114410412031464343723092981818934853807425234018098992449590402338048819247783311211625017399419101041313284056632062274077509632840751376669832499143662256381651

Factorizations

Primary (ID: 192137) 2853018170992328964872884343445569 (proven prime)
(ID: 192343) 450748958295899695385837516334008351774911715904117462567341608868737728088489154528786272292636649548682099384188044479359952535750525562475977844290620071416442886032676530533966744114680399974524079496109907452666319379 (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.