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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 #1100000009079475162 1,228 digits created 2026-08-12

Value

1407025456616100568807583807449301805533172715488225558737224122863085923704112985384026461030329147013372376301602704931982835440698162084678781269539949064711055126725719250682705925582163372906507902590353452998062633561367657148649170329890870386283372669498188389612552246555273026054037817349463873472956632992167766731644791565489236048757322846625566736237800655665657002714261482366458300558389385901548401162010356174202843524361470744658424731310503973287259704469312040806094531171750672449844760459374120519592007016452779353925799983348402214699936073912772191280462002654561936321539884928702096883659223572873593925960958132263634751169319465542094301216990318821060421517054956781464991980008310880677758084813430160362048264432469379412011978616624351268846859556469640474587136749208347251827603344421142270227222207076136669571626131341973984950503569412970029769133392464814584933008903667352142606424290481227992183089639250638228695147509765841789150645269211202141045926640609348791877634027842675243357165711014890130991859809073579149604227576805770996066749751676617138942426303267603354447952795320455533255620763026980090250195785377535720675645887575021599570591212166330755314137085672518476010151
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 58 of the certificate chain of a 1,901-digit prime (156 intermediate primes).

Certified number1,901-digit prime
Certificatedownload
Certificate chainshow step 58 of 156

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009079475162 --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":1100000009079475162},"decimal":true,"detail":2}}'