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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 #1100000009080761478 1,863 digits created 2026-08-13

Value

565605330731800370090989391227195968588422285973244768006642550419359451570603491082576991052637901369114376092872125226901191801164443399847467049625881731351720976714101817570437850898013476891270741745180625915018178939126302189819260635907178514434365568720217113833177435773239481633671187202734340223407761137453415434896852943413028049789667361007189384117507975314827709039106468563645541719075623953170623400014697263746303749751897399332323169612894914971465050678598251215489020290685482843134999376397574212844158264891301837429172308591556082955543687778802325395462765540022371796788514260652095314419538325854323018686870237296947644610551458082316437779807932619185696218174453428591773023359838468741702952245188064880399223653447800404374530462284757452102900332480782222660976917081487749047590921956143973510077990132677717805926551802475519423681346432635676405385225357771338620293393738720494791522473371418929987844558541726533555403815129511568174581853637599202163134617065027318935696385069046550453941819294745054394057649056011424689660975537241188602624540399009870880395473776105584326315806441398689303343040128776485491695478007184337254783383618851947617529920957586249320329051328865980087541987605636014832247689186005607741208738132602041901735362323371790807681095964958936716292739443119601045845726117671820354549054977785559063245017016499422729101142267899021140098504375973119398822649410841886715556563754976765095763414077717598390845784665878624678037209567804351601478249284324920241477343811854723235458916230409573801967194109432215392194469994451481183032171336815147484809660553122424988096090300966597282304412234150148177584178300785953211886231728378984352566320921509547738978080750754914472817952440009179742231649016026632228775107413442312592502871807360373417432565833312743762044464381142441837492599083
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 24 of the certificate chain of a 2,184-digit prime (163 intermediate primes).

Certified number2,184-digit prime
Certificatedownload
Certificate chainshow step 24 of 163

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009080761478 --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":1100000009080761478},"decimal":true,"detail":2}}'