factordbrpc · fdb
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Enter a value, an expression, or a term with a variable like 10^n+1 to list a range. Switch to Database id to look a number up by its stored id. Reading never stores anything; use Create to add a number to the database. See the expression syntax & functions reference.

P · Proven prime
id #1100000009008061228 1,374 digits created 2026-07-27

Value

128830843340846393038173197917586020154188974244073044671241279973001489547784182490867985907955793595971427803961486366838896250298202223062801079847967168808571613874641012279923573697810250564429675962915532255310627854797428622070634403572525437641988869209091812848428569052135176987110442651843039767549624519873141018882444637411740697337642101100414231676005836190459818034962828153685968228100251679544485828726330271072439117056078407037780327124719388327818274082533366244899126703857477673661092395242291122004089197473005602141829431458560339621096342236775781497604635758595950573450124222608275142730657362841291902134570012020839933957147081464194392195619273020576253426041353385912886602493108999370734003713146782490754874445201948733001743954963350620700482603217257978355073414747594752057622690494401142789978281962272509192454190214353973743437433422774077408977318855930407334399833533097714125222141733389614826041098163371877176993827196041438257511251715172710961141893062794500751155333707085963859735138014822368994782106950731507246870047838934470087200279091509315369301922644039486575408802824422734227296326717726409490578002339469202729730457998813867113940297817535211085982324916384406701467621052196298302111291370637472727885937345972286933586047903329425836704756877381733247365077508757414522220312644923940157847545183770452336574867
term 2554^403+403
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Is factor of

Primality

Primality certificateproven prime

Proven by a stored certificate (1,374 digits).

Certificatedownload
Certificate chainshow steps
Uploaded byA.C.

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009008061228 --detail 2 --decimal
curl
curl -s 'https://factordb.com:4059/rpc' -H 'Content-Type: application/json' -d '{"jsonrpc":"2.0","id":1,"method":"get_number","params":{"target":{"id":1100000009008061228},"decimal":true,"detail":2}}'