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 #1100000009055131356 1,449 digits created 2026-08-08

Value

556161732399420452560113136714971706063886005309447611485414032881491294321768402519928497471045851857514675869898238932316073517309435620546895087829956790749394926989813900228481122598819826176587777030250970737671052378252437570411263789770548070054755370335889736859992074881979267964799092668555786517757818265086488338431382468304146114151737866907157384860208526452756639539893594476785659583956279302416802931048026220208705963769318249683592246673160126475126418363015265967621589364194304317008704979469735907113369347443539463284030269793268960487019508354117915929014447426219532971849055759546878176022788040789339472045122423247922159008637519424232331918896062054969293430195611322319320429022228519861663072719962317066562542596944658426595082083385221917440809780149669917723004018501867155235881268577554556027689669948239130212124508397973350013171176905412495234256062981603255415331264010114110947467809735906994414857048326653108099930876878645185633361490053838505803697870224827753099582167617466101414355766036014278718444982550474202241902671574795601828534197111594250559754582088805543212402275550265857495990892368834889702774528989422513436579527171136999721612963191588651154215274127338568426053707980037067925570271743799924638847832117810947557228951109688329358852631126997017342241440062022911511839616775419030158104588298306277177785735861299535763475769432390684185285936567935498516888035566232421629806117413
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 17 of the certificate chain of a 1,637-digit prime (122 intermediate primes).

Certified number1,637-digit prime
Certificatedownload
Certificate chainshow step 17 of 122

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009055131356 --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":1100000009055131356},"decimal":true,"detail":2}}'