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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 #1100000008790789681 2,032 digits created 2026-05-05

Value

1749633612610397773722645805640214426783708536663111431504220432332795450228279338004504698973249629148880792168130952837107435416605365171839576528708237851952061803476881120470289645250264178885387072237200228085078526950067172644842414010821269173033881241673393099711479185495599737351228740043898834798194182974373887358473685373156780035268867450516761240504626850325911697252394139803413925435766951112745340121667478635584681287127961181638719903762350777924908473632883136368269988037734831421621862475148066193966884138959394714480068389018571130093137660626443165363352519530239455152021755857663856826103297577079530554249470036805689153889491899131942593759423410601387601687408935344952798815730468559464947810264656208412575230199225433586927458405240572437421381870553806412912886048430362697343271720949239254917288852680639475432315423876678654498391370954591283549616974140455083554189562057422122828453817847612929020365049128530994517520056650633629268551624765174021829313714984148754033058119802851706387724447684591804864413895300388354428926500474514489292506740669315462937020540720621705049970483653160314260237914880417874714632981458985196445451738804022523369397688591651742851223345544845981893738257132917371531237971727796043318874087073863125875856304225687865081349359910452822743996072914309125876167428881973359611185711540500544700889140784851513313563263095793423585571116594000842643642061349246221297714036809869444325548491568329074173113294231903346089580576645433308126787047037362887861723984712970919345673005197947367294501683063807195502062003198869368909588181890626111391444341031385119422470647305749965670153415224242443819268689810834590884588452901551981132678755142496775137889635983396730131114631298491442005034262644414455251173839145845187321981272416754810339272814215437449579824928546994431206066528394176894812902090575628918798828419346261494255939165598448785698313791846418580512505510421364482758669137727181844684671386828538979759535545362351091138115318952765791
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 81 of the certificate chain of a 3,343-digit prime (199 intermediate primes).

Certified number3,343-digit prime
Certificatedownload
Certificate chainshow step 81 of 199

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008790789681 --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":1100000008790789681},"decimal":true,"detail":2}}'