Factor Info

ID 21480
Size 400 digits / 1327 bits
Status composite
Value 1631544683928285258522995877428748665909892930776035442440355827392898320162599390303335201735695802212688181285655791559944109519185447152098156559955481220151344946970783541589031005122583273225851253318731259739960917119486144490385612728176686935207015806280310424596078159312618802000918825191878170746884944577547473880088211731468971297808643968778390399429068760057907150201220550286291154681

Factorizations

Primary (ID: 16826) 15980751282110028000355021636790133307675677495182783203962552902537435305384361 (proven prime)
(ID: 29970) 102094366849620557125132793086878851219730095981690929974130287417869445015525332039892960255407223503982319510241484342497742639061625984948174173996558876655827520309697486991449500249725696575360693508655043362989868854321883504629230705763985210616439783272997930780632232485782094213652912435307616863626424917927121 (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.