Factor Info

ID 163858
Size 317 digits / 1051 bits
Status composite
Value 13153964890327439797071847396839836565020019146860147857190917987732171016264206254870982565976044662993003951178453477478897419456528189609570409629702263589071982677371890011792246346146817060536505082239798489560424162651537921353668754358243825515910154211119964571841968957985609893198258379492889469899233618773

Factorizations

Primary (ID: 195525) 2258463732069514001818246932996191839 (proven prime)
(ID: 195526) 5824297598205827448390548811698864933167823918325093768551218677223024218584481808928140862681486947038540190030998556328596135501069490773235068700623457340990530373444965915334105917747698390341866413437174365824375783647798979410684507824781654201743459446063753443052506428107 (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.