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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 #1100000009074148418 1,897 digits created 2026-08-11

Value

3942326387653433948432602627419429533717220363187904048728472908940008037619685147502946949604471150740970937409521003306762222164415413421242607521851394130523023423836125146631722004804379744179277561833614105548219310251836837497876574935232511156101969470062520908477130724148317668971541302273738063643818292358080221144563788862792709674830205446291861627622454985730112916005578921527220849533973242534323117381870184319937310574696551911991111060475549485272996680784804860529647462272611080776373233720302410773987680418742757903372177062091156015975918967960442258554251624513086063391409458136827008015431342699436122960863035431791212094497898103162583908252386792280323226158030342441363591496408592622154242039457244729639437999332595200168170043076358410801756393070055778802094839857945926762455945308861254857844617513618937652903763945812614005632477317947253621888053758714702903996473524970385062174271769123479302415704975634101063121893711183724260043076804882252871879181451278206200769670363365197762066035969936481424641265502008830025660221877540199774976650276744744435477422407051733631318892795830155132199840331680507498523724733078220539459390848583898385221464736582648212769269035389269319525347849289336890287005753966554906432913132934975124448842235642966206613782760650082373295283461421815390898734203484092280811391243485162467677602421490455114459342109058561624250831444718992479408686440821388221505852637381434183139631173573340153202582853090615017883243685943221432602120121568906309933510612389018772633271331916163525775913250383169309911202080441745998457169200430729258452150201195584661006168559818716102847155715833715215723895578066362209264691358893404927306117305744721136110431335571458426555537447718132064037666947874167540915038909608972987357546567295769233918610858838017039672056810083878829277586250077197987061475461373717306631865449
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 19 of the certificate chain of a 2,124-digit prime (166 intermediate primes).

Certified number2,124-digit prime
Certificatedownload
Certificate chainshow step 19 of 166

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009074148418 --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":1100000009074148418},"decimal":true,"detail":2}}'