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 #1100000009070810920 1,274 digits created 2026-08-10

Value

17651930221550946857853076825613199389021487159494180071070392584445142476925978190194497849254141323515278669043043508483395964758236431797128087433350203412308566000136647969044501310332159018881991633585657292491407613646999679400791795046545344395462807393010965816509009726919823995669084826470683922494782341792737064578842461338572597035410647963381391799552140698639627113643514646418505552659738688887757585222510372358695185312099534256217779500977980376952111525400192628446272316700992431815794224938198238266060782156295826608490774236189746054644795482928581926271035793197164397347445160780695033033449774983557888137737404719105215189137739439642257752180011306182872182390973046123094362703842115822659969320991381726628028411681675043393087714586418779974665975725806213904606669379335919160108438332731041856382787136719994779348348678673465413734742681435130301233158607325666912713386980828869500280852210630821447130819584012254125233811798116989062196932025811782467922721094297339321195889286875925745962303337414649959333777348367455503344490435010035914372313658006790147567709621255254951431427468020576538023729779596409535594846413653044654100760508166018260655786005799712723134624612566229910540825532067872584287832108077187291864716991988491
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 39 of the certificate chain of a 1,778-digit prime (144 intermediate primes).

Certified number1,778-digit prime
Certificatedownload
Certificate chainshow step 39 of 144

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009070810920 --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":1100000009070810920},"decimal":true,"detail":2}}'