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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 #1100000009080780316 1,188 digits created 2026-08-13

Value

775543299734930635962753960148742192301560029678117031548238342841554216241805438183118495786505948263244112680467758671724245910617599063631583069522819812748552500949056167484154315395275234083802316983869491377659202896816409969364911732282649375014870522034575645488019825913953141025578084628136003068840692693157527924311757108371196388313036703602734728305408848529623908019791835737636351271580207949268068175768295786026880540683074964251276392288105972495499072931029936812559289475810297593569362645679373383859689176362866163129634142526773848709865809591809427480158351198770700174697610288420030087118087549599316043746871128628401030084007904249656852641639535411451603514948574355587123178167367535804002196493838791795978456860508032938176316132465168030194426145091838808635018075346280103527102070915609245507572176101093612222232677660559120723934208396186674285716076098881252597889443094151236071819158876674361551182001757264188200229937847590323295982722274479299657262606387238567095163206856111770665828142504567448876823095746765466668603916748630531654406020136466607772281869057366101327155691056242743826097614727855048998325240484738486968659442298757839911
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 56 of the certificate chain of a 1,930-digit prime (142 intermediate primes).

Certified number1,930-digit prime
Certificatedownload
Certificate chainshow step 56 of 142

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009080780316 --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":1100000009080780316},"decimal":true,"detail":2}}'