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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 #1100000008676531627 1,328 digits created 2026-03-10

Value

86942507509235246322473697107606011739018449886039764443288951284613683237540287554884816359987728449373519409038659545165483316319485162611751493362029304232076298187857692139880319843230934667877499775650057837403421784163632437989637621087264310549215345379418058538626793366270612486629029587774748499279900604905260582468769749374735925899466347510220187059044815158357307535496837485152052313502453047203937523172288963666931509893375275478717653137280132221159768259988081437257019785344061967156763886087773192697036475288640673669181248398060139896577864627639608537981437102497839729503803818479292723604468866983037742846382624449752158660488879484655312877212257800497684668234671617383395065538696183613328695531693441123757492017291171960582333760117668416052779304139985220457911056261566744227957983401854309673636166975498548021664750989451801336362159016661893426839647692771390130990704390384609127969439417622700794306013546022715874254552022690280149730859690668849794369980132428092279811952314603540871142659951387739570189500925513640878580828957190550337196806466431394707346772328775379018208793756798759975728477965993472804054641400693479515068726606242662541043080736039474634883449185679798659162831105399900946985980894467972564682234322079380697243908141821555680436690130471630271598183931610601
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 13 of the certificate chain of a 1,448-digit prime (161 intermediate primes).

Certified number1,448-digit prime
Certificatedownload
Certificate chainshow step 13 of 161

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008676531627 --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":1100000008676531627},"decimal":true,"detail":2}}'