factordbrpc · fdb
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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 #1100000009075030712 2,520 digits created 2026-08-11

Value

126161581712261565086957291895975200729288460391237981916234001194490404234471285205375114280096063787800099955106495958843944783571195403563847325072022486562476318884401388024617508373418883091033556028871851697245536757689666553659036377249743189443231430855207432653762199942898962980879201031724518916774279055005877053207640232266210422074091862154709188431595969698737740448459714697360834840952996368783257307738378829059687056507406759576016259576240596872474083608891781225834304479618032868316396723204056352546308491253468865185234728725730995619173438675016647783941241266422405490498380449414765317520755175228261030737159474690985490854569261445300907247061070945849399964807600292469370660249444463591587340750196625909449910882883148976696259787500613828620854125787916587759493865756123075015850005630548751637355481212527580668711920454782829085004519336620210827859081035307413236759762677810239234756457987038937763061225963019866555717853036749430997912539002415559977406733759141788297977443615575267333696987910708009267509142935851144398079576366299559173527942933026081182366793638796338824991017730243745430048360778168541557592161756248754047941451313476108663916639631107598807470504816008474661550981475692633979164127419889324326002135078269647323019895968498947162172403731502436969588244350167411810184263615868902133567608072662525267975309469011767757397277309351785552008807365872616253605307366608670472596847911141353625753030346658651560706143563348009914601267254738743566649794101340218345219044848577415575757458737107123926365880348512952777797647771603009812381753990224598000295800960810703489738324021790114384153583707784326609887430517581029415593908376102714681039923793351160660399906906427349771190891446797830841287572389928978686020548313554982734615588537843048641559251012742180364988776853131925187675390226439846476341263280094123304078454408987177254720549986739102281022675408903902334645755794380823006527627742891354960101604128134946306698588120833671890625463962443665136821488437815448941976134893224698157499789159637557596004676963020675081805168129495656648868383201670373679233574580534888162600142132226989318087466917366335371459062184512104281094563221852383209965084682162457194857502920152352250840006446611173433195626673592647284161850103795411640806525287813519103849538668683569778686903990631641521294976902375430168495344626216218365542119339088862410370688390125864712884275543075116367164430549909817086229397406036117809334344887840266649
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 30 of the certificate chain of a 2,940-digit prime (205 intermediate primes).

Certified number2,940-digit prime
Certificatedownload
Certificate chainshow step 30 of 205

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009075030712 --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":1100000009075030712},"decimal":true,"detail":2}}'