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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 #1100000009072282576 1,808 digits created 2026-08-11

Value

13835173982613171717408075946379645914446965257555150896029740207378757005023178230792383160083703185471416994281614694245470447509878346783165059430182060285356226389578518978749752124847159454201341708523526397624889466947886022324545940842301900435625560905029757729667680884208951582107238804926008661091079136777941749569410589359651030698860728090555578287773444660168218980573073786649382573448569390765136711711245822789690721518139709886388819727449936392929673910183983906652004347894705149814101482709127430229773409250511984954628743138228045612756805341364561200434826626152310525972897549158549641325405712412831969656654560289283406896718573433327298295883558118423910156261867709843548391788122087213538376650410619962621995283612298885031753216790461621169798948223051964494336452521375677667923052708684268819910534815075964459436215610715357871717324433925541957014178211091623289178487583639070861784528309738644144349584049929815305541101134861770864955186632175452906733103495431894122247872571379304524497678634863748150595859064916406611388574516975215354279867814968520498735058123062978034667859869426671203233187523915249564418941610681454639379786924016843666385293066252476725463249777310692127039106222267380611362081798092418413815870494773845332765229254768887170413733030498328594971237222775328573483283503794024159424647628085627783246597968935187193618151223522770653073926375314904060991241448583128696006253796421502186738913117683253069957095751729950706604962761512019875641720323263480368464123018404344554473070413175742011406669481697166732750922065464148625831020839963445906906105895482464127823530424916136234327629058304601322185734908572020906107416010458729853505307260557720968308484431238095268268490350910199473120005876158661343107184783156449503727018933
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 27 of the certificate chain of a 2,113-digit prime (172 intermediate primes).

Certified number2,113-digit prime
Certificatedownload
Certificate chainshow step 27 of 172

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009072282576 --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":1100000009072282576},"decimal":true,"detail":2}}'