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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 #1100000008680830786 1,283 digits created 2026-03-12

Value

26003752418773114416635485061067025473151380128008259898882828563942728099060123426405251372531696689759925682749754019024780777638322150577237689510969466052881678670296929824745549301399844450968458459394512342193926704378724471275806521923880214353091847975817106435269161873509387343689286409306122496149605897714489386876266691078640680404047145633533889841072373241378202171531821724107709153830741748872830202537734376140386366341642140552937941191442373517708483988678846201279036451368716306377416028533106022341053743393616486203891093355492729972868327898196201404790144630047221473750347247202605021248998033163268871623393998485565428865590859015776735986949511386238116546299666605203673758998641155754082425920932380015825439471976000197987262880322977666064595048735661098651180142956530950252961097929832732611861219158900347402941499813541488132450452662525801715636769637462202824657620462666293108298327859864415529829447553278491683825999942257261399665752380824054689250486218422051249253145543413887950991392251790707225497795599691644870681990217126685886686621585022113557357832298887771038556627481338408305188043236943040137713034683362754763988932649815998284832603493355945313021950216673312470314893057282281631809945615510008703678150693088574534583031
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 90 of the certificate chain of a 2,694-digit prime (164 intermediate primes).

Certified number2,694-digit prime
Certificatedownload
Certificate chainshow step 90 of 164

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008680830786 --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":1100000008680830786},"decimal":true,"detail":2}}'