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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 #1100000008942579771 2,118 digits created 2026-07-06

Value

229962673206277495143918979058052608646881625938949259669348583572539938923387555316895140834763106298964270283766167602929882711103148494945827716810741912789212157587604146181932479525462654771560290435359247973753329550717848674411079055893152352142653175760825286185392426920732845406197785287396914286436671154399663677390705415714284336674637128578746023049926745383144767140597865009645928883037876479560484309168516358775957580426803066900966788872028974536539053303667891692268091165156083222083540257161024430509475185061005462187528121050222966108530536115271333693244564800319379339458624603218913883941634849689491974236579766632688345857760648226738230912126884080340293801668075282117751556216673893830097641984962791119721584919497884994316730960725537855541608348132999659357398935403585978167592613104245571597146945451110181538674275445536101207093417661743584023223744072354761316092648837585594642775257543102715420673091986480973903512322482320422447225195354891316241609355201042073338928786568137344426784016172367788165550573301392879750098794264194923611607784793784745518746258163356595716658287089920550682453130457655390649261933607053583533477493196586009075434063642816308958739082323830186947229497786741495894915439463915846492790161308062285195465422705294071897054114595993825722866916896010034966156083849900426723042416066004399829175621518370856972178144848243492833831136947736169212048322634814785498017296446587525631791488004677501913036865532324593888488322022843705909872120482475432177649229734450742570459022697314659557149537979616855719687448760832253179587880554401219558200922048693318876590038950566505351067380255806542655893215131741387963427337978882489757116139775544439726778771642001186382452202863546323133170916552633776568550273205220759832636737215767530111951366481072943218817762080338469065006074057058666429494247221774798109538741973827025385513346767106417706826774890113227812564877172233867097276029920763899461567995066241176236731888153391571835526887740184884248981229260605481016226798935964026420818828984124393933076496444091572703866130784567
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 52 of the certificate chain of a 2,801-digit prime (206 intermediate primes).

Certified number2,801-digit prime
Certificatedownload
Certificate chainshow step 52 of 206

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008942579771 --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":1100000008942579771},"decimal":true,"detail":2}}'