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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 #1100000008680845600 1,520 digits created 2026-03-12

Value

33425018620543150010842968775769858695013287224583935326024461795948113173683507062341829629779892661675163126136636442000376428695398080034237884990833667316500961825442939539544783903433260055609422843937822524746404059420976925251137317630801666513307229464564303176957605205004775744161204689830383308971000175516080841478217179072118050244453780241701498855597564036448196684308090485407121942083161697010891743377605858255413274294498918086294351494947300541876752896067176092436894275143055260714433908617709025188077866117832401694661164220641518711616598092138741563153150535295594668444647167904412903761163031375824836848675874859753665174423717360954733053682262567476450241152892656077429473967772630357392751672496327828744465017153586939471413927859673115342831825510586809808260477209169606881555435927946988733378593071699311184372731408921451275580266584210691769674534643807364167731446733032426920653199793107891469724527086186746399682027686616942748551148199506437231258203455533177317329242765639333102946195359400573962849230515221597908236571402740905195011527182307987639504533114273880363115963020292613089782456939952946794368048700870547228399853394750458055575913216250957782909320438426416302427536993523945895890508912696227031923324588462422934052964356083278575374405776552414040460270900705022952301814744965159543316175760627445852446132845966525940215467331284852972839961060404557667641343251505977082228306796961573826129316144761318769294049410645038401534774796862586889332578463
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 71 of the certificate chain of a 2,622-digit prime (173 intermediate primes).

Certified number2,622-digit prime
Certificatedownload
Certificate chainshow step 71 of 173

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008680845600 --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":1100000008680845600},"decimal":true,"detail":2}}'