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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 #1100000008676078238 1,002 digits created 2026-03-10

Value

814786834647544962475153734388009243845349628149983308274266162476859835719882930077520065888877187517490912230487582674630440323552484773180256382182412189144479996562454787178232630377935138829866542463609673938201807448975150205243732612903311313461626588124049522770390659579804031868653086161047466732884644021709404700005881099757866527684645524779309186182839536910688458341836044212730478620850568301223565024853284623165753613373100082287862260290640790137895040543619813937319016387694017567054722537384603486205102994555627526434841437855278538899271419743212658701398912743091696751181128635564360400819296611746875607060791996199559798430302252750915662784295209745633859947202175592151006036505413686403599906556302652469038516760898822576319524130895873294982232701247475403192209459679569835729447226623013433368787050129458729321107229212440406914683529609988438572188595964895739436905233523454732907621482751210881425872732415589889913710383433987411596269247589446184906357772930819
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 26 of the certificate chain of a 1,242-digit prime (136 intermediate primes).

Certified number1,242-digit prime
Certificatedownload
Certificate chainshow step 26 of 136

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008676078238 --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":1100000008676078238},"decimal":true,"detail":2}}'