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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 #1100000009122751445 1,027 digits created 2026-08-30

Value

2192464021081547720159783395739054288892600088499920253620224304125760388917850404343424605622393518381717181914492213890401121297744727656563262207759599879984420082895226806268962356060127842962310663690153865895060134598344787252736875244406352684268761482889244500644706773744600905902023410752699426654504579236467037165872376958650878143327464423299761512501860729401509773701939267449509349823589196070867108853014378312413659813700393446275980625640471656627860084310975028503782225059137408196094916844876911473191277280197000351813109726704405592731867591490997630298235602123937632570109073992883934487640899792315697358250240461779943221689024237017006471127313625920268761134471325941289643227517244164593484361339781194448848127620101758094742144159236937758567416860806947346036335543981121058824199030496079926571792524796525843736890345355390572098391800052001446986850887326010599711592208129628567742224650319655584008744330002175979633172812458219534046633248322789645419083660790427287651708857640361738403
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 119 of the certificate chain of a 2,256-digit prime (240 intermediate primes).

Certified number2,256-digit prime
Certificatedownload
Certificate chainshow step 119 of 240

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009122751445 --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":1100000009122751445},"decimal":true,"detail":2}}'