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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 #1100000008684836735 1,766 digits created 2026-03-14

Value

36149950368843560945098302662343693424871628135811560179311485410724994420409176919897303790212839061206103561609703127862219901876075893866310853124657854614594918994763913481141855852248131795059589691317013362293658950760662737980033459386211911259648459472048225192065638190619662864401383244221986557261923913036213786632736011019155281921110561773746831642531976146388231199005571443148463792992010278753833939791169796282417196899118836785679477375282630571347888527076729086977369559953329979119625513296821077678357075923236447572731580286569329374548920754103189146363083344685929557407943219705695045732479461455155341040778453336421773447976649489805413656084428699152980189799208088588302948660256573167416628231089738072617135397887809691513445181092509633946372282279110643822696960312937420143770824264105570783408443786170914120234763174388917913934187482168506381137539022222390658197576198964826295989188636809602850661431008564780919571880533696727559076829918061313328366178946522595814956102270975155625485629742103811064037797160083568175012124099606625435726873968779369286109397201127440658123223444628556155360985173067106259423521053305203999715467842174028351572245795844148375999632881305058968307400176070840765788789921515026583735818205342105352709183819790704348965105888628244605360527903189289251275092041585298259907573583479126323004893108203595240974141165551975229784793676631882639605297048445361817702218100676867253006159877136297506918833722871530721058919678430186262508442283486526658953671202015291055194626169493570423285382066939458405952442877339867752109956074618431752674492689943850094592141469573639296127503867870601546983317910139012316431073232825815499041547186379359123019416721727400621821158544180077265721
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 87 of the certificate chain of a 2,885-digit prime (223 intermediate primes).

Certified number2,885-digit prime
Certificatedownload
Certificate chainshow step 87 of 223

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008684836735 --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":1100000008684836735},"decimal":true,"detail":2}}'