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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 #1100000009056499710 1,109 digits created 2026-08-08

Value

12431435713665845220736324148534536690219422185838057254553342009457179053474633575095886031365577957664078913472337376458599697901807274376852018429247621797408088325992716978559017982959870982114626089975374037745083264339114601341238643152220288567462132424107011489262331344613510243856878600025311245577216702308094267675336115071732699177492362623362633821513869916079023326549209671892213966710398147555467211638629462817405494229163966048209639518873738783773632849291171862178867680040714130147340339613585525567414542145249902649457825875408102141318331898264097847956449071302614814941757371461018910051930997226222468537158281588450237254989317553798780337933453606328439970208284112919455334028940789720960926953479409212314692590602129234140683971846404430359208566394642101803264422278064209450498441315654127320413552535071417465860302157611040652736055348151032993529963864580080138294766763463795540137757071817466731522198855606015113779253582683163364272156071665267416865791955645229529273964436993897553340238016431860633678085704659513565920106627464469388956659720461747563800657218043
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 94 of the certificate chain of a 2,238-digit prime (177 intermediate primes).

Certified number2,238-digit prime
Certificatedownload
Certificate chainshow step 94 of 177

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009056499710 --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":1100000009056499710},"decimal":true,"detail":2}}'