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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 #1100000009080780231 1,837 digits created 2026-08-13

Value

9496328301353619470850457424023357423685541852726420256615330849522413701181081836740289496210686236541934300912804868804537010594073417937428740875691061562573671009524326504762169587339883090600489840385535097427058320265418947103646252031925039322905193628467857192779758887670428010441506286459038448301958114141094668684118958048073644202897758503915336101826650467393597778998451502410087304277084768159853713724073778735422471646254311009310383181493263398705711750601231825648322361024433522939433243626621312524870279805695864225754457394551885170992446192482048949328615219029763460328075089485208262380728322945009710246192261981104884264099887146082089747866827785165386480731337530690281444788697754159319563417868750325542373804034877759655076722685026140031020999602592684409265945994026053507654783607155293253131059017945809996874905957363187654050386207420945621486385669308857348847800973189100645867846999525747875428635828300479767121426359976405537897356147405362492391569562847092814926177171628520062815931282732234427755395380057059948698868871345099279357966513244160303360915854093436679547376241977509566247940481151827290274243048937370725998188205575981528190428027297751418740419049930991019644626087053737258199701077703058438664115501874809637280327059970003003457251948712383573102591482412285598816522625470304206115616542631667485547134004189431708607499038254405452358351477975560362516042391941069603545777565525082133598533450746094509043862684319708125538787889307739833639762594905927156808020713311700048083839720521493621403428156965468479183763537816341061075022051824857100489971537054105161463174933240171513688780142498356854392613448861628390277979718756736180586632315470465242677926757641514898105559565442366903125596656570742533483926968491308465793147805943569925027153085746502049097
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 8 of the certificate chain of a 1,930-digit prime (142 intermediate primes).

Certified number1,930-digit prime
Certificatedownload
Certificate chainshow step 8 of 142

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009080780231 --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":1100000009080780231},"decimal":true,"detail":2}}'