Factor Info

ID 163953
Size 347 digits / 1151 bits
Status composite
Value 16491470090550099528086282087562805425586507354136656401139285814881584521742424487744949642938537438853522745774167781300927869845905115418548163527697165188835056681656986989816260255693656701792758296337929277343379275806539484052031864212504774553221049490769583120195416531120782715084106427433057010893134232162877021462563570145402636953953

Factorizations

Primary (ID: 163524) 4394231174092284521569 (proven prime)
(ID: 163954) 3752981906773882758941653477261817172127598068024473145665803925146548823911855699132761287155054113057578966561294408272381294217529360198685450477519826454354833382647369470083309244100920724483629497760820506292704708436996964456683807953093915061274539204753896033946749635716648425499830221958556438744376759334206971137 (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.