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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 #1100000008677068080 1,501 digits created 2026-03-10

Value

1698980406419756436328261366776554804323799420173837429151160492489237182807550161726188532471538874060744537724746960533202898889661587021496901907069403153972537542321436427291702959938906591816629537594721857851473869974547679997926428909679043117533556116571454766697782543111153819255088805612406924019278107422685738226534089797794529277208570210822404932637072561800680627307472787949270301637912141015806664549337535077957229167751982337456344724787054812930315726072914553563174523811668188687078025451953356963583191941490875870220899238853426689213782565772331187579728544498935472769788245258358963860503804525657074067950421956020824159315478278339563919179358724764769575408477199138488566678614305134621850100302804367780640750343083275677492584067086350747331547880374929305742907830762035765232392910683041147921376240451329518647142105873075879601428517798615638520603106416435332464437340968135081298057685661316683712473845497489507358793154568179540343172563019978559907549474742883305930144795728663479901154996732571107752279108898068401000284181910773528519089126578125007108336703601450845086170220916646353711097224184846340705746101901145091638598474949696916163999520792086821045143923981082361797646613865329568260617229410937808983653559763016901263471161607352007853342357468838150343195375629612083348413675323600938745628769302034915327718855370478401489385894016976449585740904812081688631160145575350300799140869322764219923392425610400155547972773542808503396795369
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 12 of the certificate chain of a 1,602-digit prime (172 intermediate primes).

Certified number1,602-digit prime
Certificatedownload
Certificate chainshow step 12 of 172

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008677068080 --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":1100000008677068080},"decimal":true,"detail":2}}'