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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 #1100000009126645542 1,074 digits created 2026-09-01

Value

560978645870379055888457348600704173562052434927346025413431481108413002331557944329161925604969424846241949041514196374271048159690450254669236678848228322692157338683382619373358564928808370353660835299683778832863695620678660368943319011216839144919004870980673854262878701210703202259673396432744949481606998397138582908075142258374857948202983161132386764721668418003947665165022317212316641626653305002185010582259237736896515512634741320882067078334739171658572576915672803517674454073147012686748981697894210211985382369066992818410477272787641697038872300863232383363954877933072212082920384574217320291795804618540121029565638322008006566734228444640090713341802829566252774712463589860953553830504048562450038768464995540619068266005396619406012066419144862377501172688623618744001068237305707714494442724416578237855375707014085149740253111821310148783246256877409595420728455608489219544337960061180414362818278159241321184823829187756296740426674865721283287735632381396976399311872000113625376776930388008951193497620108360977553376004685447801235904994000343
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 200 of the certificate chain of a 3,110-digit prime (313 intermediate primes).

Certified number3,110-digit prime
Certificatedownload
Certificate chainshow step 200 of 313

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009126645542 --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":1100000009126645542},"decimal":true,"detail":2}}'