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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 #1100000009065513412 1,587 digits created 2026-08-10

Value

639215633706140322765504640004796867180513199088362388494161528369035682439103150101940575468130334413627317967234325950827947707861562694708307473057222431267229424847819488894500628072686108080497357335936532954704640203665264422137725682757257799768006024333134736442063746801426264129808081126506276494612078013454142567230830468689323801284878934843602668453922650560897973843648040993156352190605465826247791653551438905834877212806357268216948662450358512225601187170867164566083139181582760004382490335247181680706543924046238799146433769986824147155896275230986959172891081385789967798081900280870659070727919629211670287568737122434821062260959390748986628753426052796816825519376114370460341096755082258748906009884491829429277348057523674448099057431985801845137071169251473488362620037155987257667452758573571704715730186207207938829753488070835535010107306828644209267814402538965996870358737825927237059478828541349952214336762264110940969976919032828732130759638420465820746416106653096858529194509359041316235531956386863325520832791042075696328900731111315164782261043695617720059554607118185860981742334118313408166913994901074105366499377428822930827242026686010401955825716127894391845446809141545406969315574271527700366386405108244717911628781831809917586056205624181688490013889787229893973134103294041322370703499225653084169445404548158205642477750723814763835279319606615859821885553595489010341774667640640173721407976842949197403090806443522318446860708359503821823094378905770855585771901635288247440156104351477780222012282337231481027360827938271357264127
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 14 of the certificate chain of a 1,715-digit prime (136 intermediate primes).

Certified number1,715-digit prime
Certificatedownload
Certificate chainshow step 14 of 136

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009065513412 --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":1100000009065513412},"decimal":true,"detail":2}}'