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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 #1100000009041145222 1,250 digits created 2026-08-03

Value

52102244122622486416255242468769005327113549261601857241266260876048618342857669459315065770036799538945364078045707428365919329675548538997678996069707078433560788764244503463048722705472370226778611007136507966221146064367387284016496428003700181383700759620354380316225955875492273760803373846273033229034973304299927486142324301124691666496661772276450838587192101305216460353881144365898112701839697605873405261780956031687899402912875412662844178364700774883221879705065567379043622548218212084583291267454802310105633887845477834653958488055794032438069660938953362485433410436695615646240881901930798101120401033337748879718925144889098058235838023791277991068591048503911220336791264462376793095080770396242740998574624548698500553970783994694495612019263844348830307334248900692636124090455713422228591727980150359971066248636180063892508572131290638569713266638964339868958983316098431695338340841451684298457917493193864409594768977729132756494296996208983791117879644498353738716939945091286165400136705981952134988083763722010216599729054519524116130067761032098627573553443273000530658184790360643581316278606902014509915315728136321744698469891576043546541692785873356295332777136643551211025187478347112336295299534929363520195992087
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 6 of the certificate chain of a 1,298-digit prime (107 intermediate primes).

Certified number1,298-digit prime
Certificatedownload
Certificate chainshow step 6 of 107

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009041145222 --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":1100000009041145222},"decimal":true,"detail":2}}'