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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 #1100000009054834403 696 digits created 2026-08-08

Value

485156368738102167704478680202477765116621667078937243315001011291483460858327965666489241172169981368829553908404644293099548568741832461951146888122226935024408808230929916224796483133767229284806532812178044269970260708239501034143094087919480922966788082340444543304090874287205789131817668705237778207890307031967201913590204310419584726146676086671148437755457792864823920908716559334869373945605791169983824533943649832870023132528919533292522473521381279951993681660416319690796698164489215767170929451653293513806052975101064624493208071228673217124496178716698866167885790705409564018306727147733577676836239191050927465678490735371101699874546587702342922486111469786521194050898487123
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 127 of the certificate chain of a 2,317-digit prime (181 intermediate primes).

Certified number2,317-digit prime
Certificatedownload
Certificate chainshow step 127 of 181

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009054834403 --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":1100000009054834403},"decimal":true,"detail":2}}'