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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 #1100000008270920549 1,914 digits created 2025-06-06

Value

198059616280962415835854544456379836414055443490926913025484719745789627587382715689630907417878151777591303588819433767156317867925564697916043556335640242925495591940196593821471227247873820805707648748877651532710328479462277712646716644968266754717730600744452113580347032043134984760325572907568517567161969086048747962918494771231113446093194688091377187491004100909036522532827288806354322948506207818601562359508105984800945688308941053466095996994420205647406904111437210071212329878837324394541872685027903985429954101186340656606803325539610985406746364862273349980059742362369410484223103191492524923933125286383194764961516326725117986072160662818913368429151936056309937950723613680768343929217589374555653357228559261666959355728695587904798293494825222986113677891394449208040636148817172042001974230889256342896744509295523719678644090485963665342192728101531664241390928218624340848414939442614405200323794675415956088623575340892730926566050961686366654008767963281831589354594727403882646143511309940690228657868311167192557436074497418100309613226802675039247103037398992432586900170335920564938229536486660993116260618955414990866126560932311751550275595077232982653378329703826173182930816379741774756384688495098705323409810097793338947271864721433730671579236368734806236088266768803563183048814055199915125624385095872231105524479130591169678449722075525888881833703706645614173993024959331778185342142407227352990273011631685732532222016320128416917738401930497022790369839109108458279478273959321024625711041537367937434512740155723822669640562713282812473787909511596720584164713795424275049607359826025860330192646344059356054013579315830927146967523310357587186155738581491335403035321734546854190421036720432331813494199584315229799686042539829950775910028670029974728397160698834095456590813571844191756131719951643502484270769314031913503948325677047657883269977590690178570974399
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 42 of the certificate chain of a 2,344-digit prime (246 intermediate primes).

Certified number2,344-digit prime
Certificatedownload
Certificate chainshow step 42 of 246

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008270920549 --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":1100000008270920549},"decimal":true,"detail":2}}'