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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 #1100000009028310139 1,175 digits created 2026-07-31

Value

19181464811252457705383131234478427451171111880441579601410211200960971505936969679866822734915544384440943364320645907303865571183579479787135004620858781351866491159087930060702408985681395862602194828975020144601870886666807610906985232244496304191040847855965029216027551316259836125766748909950744020066876324416434643183939458126983300777026122630252075645251289283014260608618107304694249026731073888452273979834202385995330100474277588087679272879151220609219187281441183591917668036931594882871568208561353931290529971706238109548491668974654180147207865217373139571244706058832173040171524132537481667042630193488471759647897157487307505109268246924971325273908902401228267403957045468779687472614117546965926524048227371764499406607485115689715273454174538212472499678056365469958446767227509450307774708626571410839492165398816674965266452408526535705835638083732048669914116270231032502563298342964464259765049999605021639087376205414017300542570149736717904455961094960705830009880049663425434341161881978480670830181376980876974032106215599560477206832678808740750229094188213249996958672860625941541004690436827990303083592127647260975650216159065000894742673
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 3 of the certificate chain of a 1,202-digit prime (101 intermediate primes).

Certified number1,202-digit prime
Certificatedownload
Certificate chainshow step 3 of 101

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009028310139 --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":1100000009028310139},"decimal":true,"detail":2}}'