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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 #1100000008684836494 2,361 digits created 2026-03-14

Value

352785042945410981917571800486451541082596176035194692369203369035172928231529130658470493589396843333402791724286134447965942797554006427182111724411483994994540726696332626152489810591621144221634640291612546743440026514081991665715925823838600615404461758449667561327790522676760190155716928549150302888960779523637762968802621678270856657066809675996794849543624947262118870687649238565789579502154516872926648194618354024544187230366318272026458726527640534877077585997540407447691033800345152066927383732153045250364086920855255979250103882047316762213254099888422737467913289239523382719984657796330006881665014005045178392181819264494344849912483293219190360187265240833246697972550300257376845952871482744367553652722871839577586136879769966309713363791966929295221462687560668214326040289752622159685159799301030831586953489626232455722375121315339061628902463794258327044983474567002351422829264406469933223649648064152919141287121915928268310776493374498719484585901896317887647934983206662862301083481898400613913067350675773363747722812058329040864957218867283797301873481176412092297660214171341722645728756451825862164545063621387931506250823554532158317714014925784196596830834606402420432835880503899799849281272554410560177583871142807988754437977282117819751573199534227395436800596232060192054883966383049918483583355116550012983738948099196973790805561017633647185366791256003551583620021406312481024644376367353469136418045241698293366465134066012220399226036197466354017002045669473003456962582561719963689336512542680557202382647645332330659889811161812510607787459018924627108456625038262375330165906256459271570282319532917822121290177918842913781594056070501445961959455353797075598450146647762067613406865544686805290258203120577063477551062610257649987756877355288622921167741110709434777682600819844170443288405141524244490862822000907997609977687339827485540010164261317285463210117523135533867519752385964149119854369546864883698237789836835901726182163131333046767744926438593841229722705426558650106611614795182507974539820787148964088878097088336392582099333396585120451598847842388512895681247340977640790660925361181595964782820624169212277127164703389544139401843319196356218313029070411145972887659621612543378248909693662564332185647923781108559586226394943558871929096400750532149938317064219310830920740221213826825573
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 42 of the certificate chain of a 2,885-digit prime (223 intermediate primes).

Certified number2,885-digit prime
Certificatedownload
Certificate chainshow step 42 of 223

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008684836494 --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":1100000008684836494},"decimal":true,"detail":2}}'