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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 #1100000009053809488 1,023 digits created 2026-08-07

Value

164188838509464145954413286165844503593437249042408764147818616415432974887459766476868656287679700739353765419600375869200118499034050338427751822499012167674303103675493350883237500688943780703355731141783974431394704513557206172295594168125239318147711983867842550724915075950863636435983397735941686034469719017484209041187788420322500018362786971042462972197006574863578180009886711410359347928359077699538626824498967071143338914501755628771948880254771301351232686876115711743343383389059483593472199784269036713974799726473730899604994802249520358758101269747984631709846933262011359248298866260313391239243962102261520333237877168298375952910134198954870533607106800197367226075989897340942785904536737560987874490355864712765020284281921837200217568443326357237960105262581970787186763559750807191878922089131603048249471547449067521168579295497041633887537024614623687751441682880307263200779201340830311510247570986731773162703661437036109716695312507821960008077328947868343412715975204493584977757027611039513
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 99 of the certificate chain of a 2,205-digit prime (172 intermediate primes).

Certified number2,205-digit prime
Certificatedownload
Certificate chainshow step 99 of 172

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009053809488 --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":1100000009053809488},"decimal":true,"detail":2}}'