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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 #1100000009079759220 1,403 digits created 2026-08-12

Value

38071800166306150748038052723195103072087660988474798732749393727866157647379349170122747902395546767955411114241274742685732786809473304681622791218609843995605420357139030197673742764414734202050182052860661681877976182942523590042327762521229879193353820881156010474871165411165210179843714357779487705654976977314359053125986837057336027489976032774194048883185104448910157435402295811608244940222177175766142733621303278077962255804794055020726473368118027246932586455060547626056729699222512701190501970186426320081443547497195139867027661395366321835627584082441732287715397952818127068325586252272435394846517895689192714687622976153345704069943416963071742300261432939170337893431873362638413587481822763596000663446704429325704939664733097660840146420508205357285744517720429169975515814981543833070336492249343881754951123653911958678893040763916136253026419568933753909585755770866174918008821973666341200045278706362788285842470840651198436174188310981117971948866631640366522020324871477341870898040304781575235765743355929492082209665334818107207104141330339872840251712050677080881102691268764951893700732914244019291110061752989080301984002004174343064716033379576455373015065039992261692236489214676964945211682138765584944293322447616875717622280406871015552861994668570002205032081076678240545294597496149079584228878405708000560685160066717441822206453283896950783386960884735308489
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 39 of the certificate chain of a 1,853-digit prime (150 intermediate primes).

Certified number1,853-digit prime
Certificatedownload
Certificate chainshow step 39 of 150

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009079759220 --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":1100000009079759220},"decimal":true,"detail":2}}'