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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 #1100000009069582880 1,745 digits created 2026-08-10

Value

26427051140164500317791667322383345428254080228063420959484270189982102753849878576470629456239681015588073897192067014571893433806708891283840744814926953515545135822510843186998855465865251906194370889378620677251120495050178728331533363292800262222956273615891634405612751263092049894598123734201104589476221544063256652285807882146034177322855033791472233597706258253311513854251204462537300989939702397772387504505039282758133132925571944493473090955597385730673134825509799772879091161578282866419836169685275126982553468668726245959443482814679756648744420306362918209134489430955440977849109432203323192567016164497081849108729091442067288489581429105652021759754936633785387364999757833907402943419362009176574980098037910317191175350111239540992806180832812787531997792753250618239075084262422776462508502986953566875626356856497415805152808485023885654093811744398380317520326258928405964048870779832033282593593013881915974769658661308182814929440970242997164966614857006077619184903275780703857294344785979767042859155413136692610128222408225212025189183507390819416000577205906459042435340968241553573994643156693768719341870825126446777787001539601666111895918887323292149409047873115303626051020929092495524173601515169309562023286012775030340458195048992072092695259067659337924437352608889900654684692997657497707344878930770419572429050134948930139517767894812844758118758717125193585455079768994780287743309078443825427318835049064312212614413828613488064546511128470072847732696333547893143369856660805652438073461365099178753145597446882941113972269905588314590232863197351924014574083652629390216287868015877894525161449517812155034443646655006973632387371181987388803866989893520692796406765824591519487500077923719845369
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 2 of the certificate chain of a 1,759-digit prime (141 intermediate primes).

Certified number1,759-digit prime
Certificatedownload
Certificate chainshow step 2 of 141

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009069582880 --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":1100000009069582880},"decimal":true,"detail":2}}'