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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 #1100000009060722170 1,927 digits created 2026-08-09

Value

1254137016555880684497197491626952056655996380601082893016248953800335324381658770128396863764687035479925599405350946251864452631436011150967423502314638090631618430589191444352835884803818082898056759820462563566546608895612571937849565770380056168893479353700757798298020198520946305260511022673015749050207198815055664660371836574385833715323684730087757019313098241240940398820620519000783313831806264908860012534106983019212193614722740778865965907444443314313966145110245496834061804378509524076906025595895933566196091452145858544001566792925169052905202609355783319743160691500874520508195669514838189615643959955447317907336920763100620030159315206077478544070654469221962674702795015845556745179661978411651670345969706954133554465982217195450908620845450142051388248172735886302452733560147285167528481076003097510378501042224247834748593637236107663791469110968506837209624923168018910556011587140781111845296257081464167531613884937792681135109680241502258617348529582769418376416163175216940303879131078285892931929966263383912972271343903627825571135023013545889934995597707855253375071082619619331974309337481161113293280969506826003460557628797458564317950871230394295120745355157632121749802878526053115497621649901825547170091206720503547072190340479917207374499378899148887618594625477890039789836569549117416513072366745597504152208868796984516953091475428262897095373866508929937634303754522235212094472498662931765369803864466560810179264213837915547387866743606270331057345444278798153433391299569981497356172470815181295402934121205903382600966274315690389081174778105999002146390778158697956371287272828522481996351894078893807281670398972435585343548346070200583488852949140013765189410191441609600205448767579133555875976833176932729015161125860976574105370823950976727834098331424244993470237322032175835673967468393878599062061314479727639521503126977288144368630871513835690612319763763915740723
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 47 of the certificate chain of a 2,557-digit prime (187 intermediate primes).

Certified number2,557-digit prime
Certificatedownload
Certificate chainshow step 47 of 187

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009060722170 --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":1100000009060722170},"decimal":true,"detail":2}}'