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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 #1100000009052923949 1,113 digits created 2026-08-07

Value

147948772666261743728550855059564511885991618758841599464539212419999870375185120484668571178093276743284963495340471019960882263674007069808353428033846004547249408964532845579815554445064424535035658512492759325296639445188528980403163290149178889481951873117668831539909046215066269715667234625353523783040795132554929063178985760348084995063859781719187544466116229399112763017283877590930630860367060382810768186006972098028728219860632398965667128054047782281332934912013434207725146742145923197910845104951178516186083870435955723128920627550282411102553803591281213715379501954621511245979037143432938975216635417541902370576795664234222122684384649909119795194066413962649851311694951184660428661902239792011790754472975614350720174077862053388112271629498049584580493046742639412197480145924994875183601994160552828388942707778530586898540817949645169223889040073231891060228750096876920064357828570013242690227713488256964243349484472870209191330747143603001425060976530329617250173764030772695910491001018792791124155878451423228112093504331475211269673513418369857602919559150643960590625579866884427
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 44 of the certificate chain of a 1,598-digit prime (130 intermediate primes).

Certified number1,598-digit prime
Certificatedownload
Certificate chainshow step 44 of 130

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009052923949 --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":1100000009052923949},"decimal":true,"detail":2}}'