factordbrpc · fdb
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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 #1100000009057285791 1,642 digits created 2026-08-08

Value

1347052404095529136307845529613176856917076417999143090211147966260477892949769788875339924469134602061118405556944494102360715707880954500389967204159499644781957467489139158694851516355733523624468616512411434367153723179820236428275712480616078627122573424003992537802694404623793958934341050615707715185258911996362803737585101026954187155043673999266781728956397730203752179611988301308622013263043190665508715351526843567925215283775116157265688515545354214573524449587566785806613143895407746371889858621641296820666842681990749459299833773390998862739436991546464225312387624835021134638634151115571859953882685784107410949477903879169513484262071587931886787898102903156480035567619950577900678344671737975257673707436924626107342655825500420480794564732142541350358057242552745745951526907505034733212797339343592873079858497715563498662654600780725544751273760596186972795907813356091069034257767806399708600907701897394911830417793696250646201046515098063597170945956751601905634480609218109390545067131871538563418980763065382316803867245804244428016145244445446484879043554885060579257022684656565751237928126640013410833855936455077669972177581652482875543519948133580123071866789366335698803754140554127375804357492053114419643551926634877790706856716796213395562290963544976712555245756179547388574444682158202004207528960833351666680821901845789823152127359704049173208207159276674127626178564082234241267491160208936212494539994978470411820888091697643339060808410912849291246238574430077768819822044919432157842544744413367363566784304766576218331933503775784114671965783099354699410080513227113551623196367827677428642343
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 65 of the certificate chain of a 2,542-digit prime (187 intermediate primes).

Certified number2,542-digit prime
Certificatedownload
Certificate chainshow step 65 of 187

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009057285791 --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":1100000009057285791},"decimal":true,"detail":2}}'