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 #1100000009040618820 1,144 digits created 2026-08-03

Value

5377943998831831817053813224061662554698588689021291237752603154826604656155279848118971174796890756427368960575764716720288618867969804467543812951435230373773526721443624413725157790401126311189260452023222061111077445093564777079881189791325295982949346423807437607736797807498791472002245346255057616385487546554116876896332988933879063352053787836473111271836062140535822791558012641877864667667058121503356838259031914779510949032748211853163698696059533530807275867201884978834455367573740712969621626659419765120688396429561380902670874568097362750249987723409207832145743396699583790331561216408675443640433482739881836352317028346352110172786881759142975956892786922051144693939646752821731832318357208099619906208225997856701685890947968547544998579066027194255350525700322977154982627189360266632745433307873073295546403926665866636651309552706597451100100694420019356956822104150705175859688257544929254944883103155573595413840300121629896121118226936785676167096690516939896455432370256708372548913875906091909318250575334820393397102536920286466677473611830332305566939054203105224688041519825557729499763577090297465079206770543
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 12 of the certificate chain of a 1,275-digit prime (112 intermediate primes).

Certified number1,275-digit prime
Certificatedownload
Certificate chainshow step 12 of 112

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009040618820 --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":1100000009040618820},"decimal":true,"detail":2}}'