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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 #1100000008680828981 1,737 digits created 2026-03-12

Value

434650951693820755488650203344744869333475771241198433359317264470665547687480770148327334306395141549189652470269104764713983667500546516046309961296646954166063617704950813241568909851374407362817806596257186544784678506001012587237396046622563400439271675940001741066458557851847144808777827582408429061687479983908463861321947976388571440234144509387433101545417422083304301310807845899552820535658108260097117445780233580726505943818586227625749741899981484289246452460112024402702904131023301391408676237798018003436903223488686432230943760558050635669832273221178250023866311984087154106865748231231725327022677785990567099242688882242205632955041187324406636120620446991342086445039939002073716449867522529862964426143132044202076965607405264849674414350254669809794736571425022371424566808391008245442361083623683255591450102029645806094167010530465978786773126827979443397539148016199250630624017623211700855205381178296505226215767217415652951239818827705103121156281241346117253682606327645474668871865725668500026786458867450150562617510362955005493813680435948934740419306205324496435133501776943877992444165243363905223271960943137940511302180029489499476924158856307544368327005689386373174919428577469986907085651475951442644657392820112565013087043610363580271554076351735250220920306069372243125749863365246192774246458406748660430831675756197375069999626176027597365485670365624238809358152809084010894881929763309955152330723194328283481396069325956878493363836372301705784995334612891072443869824594931789126651259562942237834769276101744984960033061904973940162006214986517976435358402095704104333668726213225138159003317800453819347352777440381695969315589670822782589423199603152347009223556804017998063414669741
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 61 of the certificate chain of a 2,694-digit prime (164 intermediate primes).

Certified number2,694-digit prime
Certificatedownload
Certificate chainshow step 61 of 164

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008680828981 --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":1100000008680828981},"decimal":true,"detail":2}}'