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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 #1100000008804738345 3,927 digits created 2026-05-13

Value

125059004450829398527630468237935891023770111393358697851291785075696172705477959367918547680260595698788818265869504279500274918139053565852221637197501642067740921883230483910513535575074672024344439383839362182496034633423748794214392723796537665799929633841331567201315907308629553595673954915920594465678516743465048899429194621539077481405039014470098131136701432496890872228775975829694408293298919850969868829030798282536650361415244521172420014374228524552539939269528927127908083144446866164956264880127491361591873253867602491031570528870746307343829448793362252664719903628113427188449119003009686191273112574750473401918932210900207743092311532568138274596518814853200137397651757113590050266725681371116555381551529343568304988549205486385871237637123480037045033959325465751956665600274776862254452277648030440907569671962553049122145233317770043149035170475948358486869425215274063440555308934875758000814201577522547679660476004132818048919704696561765809491457429983488799799681609829565183373745332769965972286841309504276441850173441000023123794149525971861796305926259805539953906482891622713584451142565262770349874431946968687629451262259938686123071677585634927239276155924580542093620567569883375274872079754261464575688301953636210237057731887085051114623812959413591289643056271577949321758939466934813104659658378299065928486915135399991096884500169721229233716883294060403242674621675632242145230103700837764538445568011353196061613126156414730958945027614174341620603918340338264168214193321294307048703382876494945274605353621528198609875307586713593504697855217979516010536079910161506657806320013149016084125047191968135887762145859245267065970304470565454949085398173555774739097071044803728640709695674035808154182381586546178485377784830543225957756238980065191593030785514879852328899240440898811247686964339435634785848929322417516849896470659657546916653793295056495180963263321895439337156629464614944662895365598595067020407595874645233462537004784123423284358251559029468175833186771098567237035204351577697559293936354963414189459204815937623599064962677050886561671139787754377543019510142067795710535777780418210042659689467679222380411711701553211532616216030862848648911675901781131735913626581695921136472398372167090863395521789850012648306419489101509985201466191371657649859201474147799935694490616061652530284527299823023202512761287130854717705174204360191291496182199949293563000435447664851385684408530894700132266287167039057592098798234359082359379960378973558407329056692901625256679629088897925113025464877406469947968763022341544572086645258241931820271353108222103480078230786046845121570176929704897511571621686729635104609752366251752602016372052063551779728633194679550237131026350772834898581597621189948780812317523929462715514621910275280737447435717700740002989085533417689778366367210063060157473337402693400343016701757369055013496244958696766649988980058930544471092564229185283422287222818370946933938178107292456273380608610544434043987540306941207238148887455122781672108587179925462167259980387802760176504130114072910484477251696293266359742971500541324841207278878313748363396685636193105667833880976538874439370480518933460025715446392277351129118570714908746058231799802851214242466110511601305620665307803933597451360942935174615183477693665870778616253793937408598226893005668297221455186446936324196058388603293945988975274769549078811089258815321814452816694082530114549625245235540705795940712415773698292740520932508845924845865443398055564619273998431554577658991308389431681766728523584390723273459897426777243466808668117891811664929654549600107016174946328085874660493876407065386680846928912762647086181641217310380694614537210137052164150897316422787302458579215185839222336831711799272380924565321001342456588777975207807360849522972395428391726819669460370521996393716146287048692978316050731597871873308787706417051338980335904743751
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 17 of the certificate chain of a 4,113-digit prime (250 intermediate primes).

Certified number4,113-digit prime
Certificatedownload
Certificate chainshow step 17 of 250

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008804738345 --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":1100000008804738345},"decimal":true,"detail":2}}'