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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 #1100000009060670621 1,710 digits created 2026-08-09

Value

430913648059550181119487342243699564138682173986657241582830993149451222213399813522332012867187964723863115086830088737841764846492901945988429689138971429798056658738945751262466249479214443835841621765272069107373161705254838464471712264286322842274335533196357077459289377677627930135769368692463764604452512647791040456279392956463365382921469651513409650318423463089137791736097231372053799565846845946297364907103700080531509291594472553148992317693233234769477718709984811622094583931947441913461217586223869003211863990050167798525859203208940268497276384930994236012542248767295763045137183686852117864104293071489090013480031700236508946784746789554556123706823669856485068663555831509114831549155331256822071253476671958009106888326884338378415020267148775356512712772498864068921639650112647481920699297686213676025202566782845446713130275947674607438338781180065857303979341367242606199370517355930576945372790817908641250590656573522795538401646116313762360775478056084222049843192623624399809835093427688364293798182461525724949189519747897977790484524099363855265831530300636474981797831093097487105421538466328874247189523692744735108601045723304479066156633299560453142826750547902601470316228273896081893486598459403580730295704720159079786081426289492685302038625941976155745699727109979914319668157647000229074930010724991890711195441569294013626619829384791100713704172015750015255746283774571788719735161949142765773345628618558150538849528895250459256439559663458772331037560341001124886025553203251394770380113913150260920767132609941288134783078014666991618063064640734642748007491325489888977189278633198413328274241052858919273667655464252203528570008653127782235963262326803685687
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 67 of the certificate chain of a 2,616-digit prime (194 intermediate primes).

Certified number2,616-digit prime
Certificatedownload
Certificate chainshow step 67 of 194

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009060670621 --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":1100000009060670621},"decimal":true,"detail":2}}'