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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 #1100000009080418281 1,843 digits created 2026-08-13

Value

3727750049038959655963971085898209231427619069135704143426955385072086954423805257173593369110941490301183142452959722294819018030009632904420341749395529678282973974718135095073449565395849043031004741085814092307813850786034588705278394002554699235313734040274215732299729780872168633520608735449896629604269869367165363051461462869358035052679226498730832220519387089911715266340962121082554022626789606035675587130370202376480259002699894487979655091416596440532730245441173865980569083671179404380164641193456162504389654199215104985217693464872871939372259725361492944715636288703695225637287221604998549491719800855316731098238168760492100310198012912754198744715214764937552918397173049400691615186268321471403904973335993374722133766172858440971518093410589523135823143959927396258283118551756384073015474118385553685706363264638084272100557355740797467989654059254215188277432309149463688172268843198516990792465721796406509581216843312995875043061221878347832886463081677642047142294735384562748034440847839330978356963717424729684517272461698839603515620929389540803767836025893646661306213648456504079327275768846963329008762843550542608368625279417951173237733117665333850878702251833545509290818845527206592045153136988655553057712464956284433755800076687998612995974402016562739161134939721266379766171943400785087548897896397699549292282302705380046130141578314896067823007789512537773970131864597808863316351306814028827222605638669832836025811663659528215238019176637397857769425399583481212925841383192982257229140502271071005571082526292487449112421173134217009129932552496286911178040546728838319639514667928153262917683617415971413138922784331579516148427337619298175660350239670304681312135927692577550910592964053064668827153803263688891323682448887932436455422444266770089009836517016945250395213221481270363341841061
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 3 of the certificate chain of a 1,872-digit prime (157 intermediate primes).

Certified number1,872-digit prime
Certificatedownload
Certificate chainshow step 3 of 157

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009080418281 --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":1100000009080418281},"decimal":true,"detail":2}}'