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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 #1100000008676271789 1,887 digits created 2026-03-10

Value

174694818388626562811389230239151382359032276194306984115070520626122682155727758937206569391763628511746541218109108897309944747159939621154856811383215653571287882333387008048440246797833169353973655468248245923686909731122240069078555271396426065368679192768742570707230895963152187950177374585363033295238178092873448791502578627765861236379755661337360077329460059707046304626722996438042728461195261643399376968750640974509700665800366711606781728545791559929511532427106889749184514046800483050841294124104145256389698073489235945737986760370189061908405734938825537265242347495813402377120973043926125875448865289375716713352268824289589269607893082523023490803709082029453158808934057205295243067442589045841223076554856911386239041225273221805561310575705764166070503948111716351855458355387819539628696622068870167823231773685370852244995296654837912065115306457661093128537215930144847836143219191898381662846641720408818832399263201269606099780950424930062009039467454283933210723975985340803871108508165088120930324715941100035453639300383512351051586564050978278751332663133403844832398888249804204557727203561757685347948932527106084918704649891934640569799071273077515931258925226951509706217359592118741251721134317742546197554727951228152510537476387757120577052280788202937321508904965437311034385354284064799960182298508462390330006066965466198486988161958579475028822850048409328120646694816649626627380932868873926037804810613066134247433205399724588303762527165691269042598175690979744961862032867609119086094729442710624445285680089524637346117040227354498684576412631728059952878513313200975627442694278001886181185820926928699838641771616107617516682374050249352725047225042536581759161465233703136258559239574842356982538421563259522745469280725269536778988778882663152263582564955535421358013817029876833186720979063627899430617589964038467115630740943449137
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 85 of the certificate chain of a 2,915-digit prime (222 intermediate primes).

Certified number2,915-digit prime
Certificatedownload
Certificate chainshow step 85 of 222

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008676271789 --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":1100000008676271789},"decimal":true,"detail":2}}'