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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 #1100000009044563868 1,297 digits created 2026-08-04

Value

8098131286092756870712799096611636001560429550000620700396200328897014326926599437564036796924665546660012547023297210772545121452640482306818809913963904294336751643173809554555634558630938119194157787558723831836193891890871941638674198145770770868850831648452001769442053611518609933990839746601176404951935966508036086855293315341225594326883624098735110206708934529501759086132129635090098832116294775598144838306118453417404014266642684636394737105109152860969561012879730716095918070294009228549735718008702284827496606950787723391008327253229527382840613031862744871338907717264746938508529991079134452375993525214520769217110568320246137832234505712935270072504575772162057185299001980540270345131264649851640276702364192938662035778019848386478699338933416925702935694865393557267174127385126178648870267561701644108574455873672192702202334793886791323554141591296106822099619804794479293385809848085068063838933759880946796804344192413569591851030138154947070111300325000707021214761369683849797351637448657526899090295167460407686353831888796841360398114794986482511768270109218576680025944136946626698340339736362357920864578916080245184729946131272128614480457757528409267654300391482593675915857755995883443025377742507696115918918319750600939836756286434212830375539416940510314409
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 9 of the certificate chain of a 1,401-digit prime (117 intermediate primes).

Certified number1,401-digit prime
Certificatedownload
Certificate chainshow step 9 of 117

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009044563868 --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":1100000009044563868},"decimal":true,"detail":2}}'