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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 #1100000009050147250 1,280 digits created 2026-08-06

Value

44396179725585237723455566112059102649909749458417358717359773209164681222682920791716118872134072259503330267504198657825580066697216916190745119446695036972958127991631879926575614733439769311414942842815920733312655799947466818437641533800061654444179477028164336826052415884228868029719075435698797071086024104974926395393179282428106386262320664164053965547014246056692781443363916418742406735287145061128065002324145576114010335660728231486431106451143447474141018047414580428287760615346975687042733731100578800055072810117593690870435813316011470387076964894373794523607915436336825611905678274789056752032292829629135855853609939410309358603022648765259999746590608901694483012712218337797727166100921089974361221670982898392083263308245374479925718430498048740455483037280268975130841730031843239255553341522296337368618019018881678901225251926522753611749580198284102852318462479608888445284796568072593702400410746928829733595388982321741590030521066941064090138834675738407703185904600120269834420240890692514714797631626489892688360596103310884496739068894770604018152513159769156041222365397269002802458432092676086131227738245746798466584441143118208529686274551804170191984361984980869136593308268586401072240816011807306621167364790238330323958867132765161791757
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 23 of the certificate chain of a 1,517-digit prime (124 intermediate primes).

Certified number1,517-digit prime
Certificatedownload
Certificate chainshow step 23 of 124

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009050147250 --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":1100000009050147250},"decimal":true,"detail":2}}'