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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 #1100000009023174016 968 digits created 2026-07-30

Value

38256104570323455222177412991392614995943633651815189400059022482659536558622933273480490471741817961037616626267654628846645606627504860515014885629727659489956798833515423776124459215837753433834639619217786827027212548571732040798715863097523728966551846830685142496663734452164657492758221260188217860960279609273234868464313472470353976392214768973813859186378917990655616575185168723748727237983956253888942957969176701253677905666301103505541563365475825689378992578199704776744379201786701653419347315209248064874227509140092168322386979049374571475397659649431537662866840511964001670241005562666655404494714777088625542974229122248235541031464652775830727459268134333485703178594587512735202401005678832925455303527867976334094027802072687038905308304457650973716057621768501841179351583830670209193007667947775541544782930446246270786024854703074083732315016537885959425983249851376158835124434136224678583286313484621361872241214816167196299947368117036089
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 16 of the certificate chain of a 1,135-digit prime (95 intermediate primes).

Certified number1,135-digit prime
Certificatedownload
Certificate chainshow step 16 of 95

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009023174016 --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":1100000009023174016},"decimal":true,"detail":2}}'