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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 #1100000009050962239 1,238 digits created 2026-08-06

Value

18114976259504798654638847241166929451089587595281333948392316910797134441468233837950614166154250680613864012125345983679542749921197429251104707476065925478075710319062407128176049531302500630936429537406103314134401351929172637304685554707139664552281684942255148391425922531761676204092101060554697855008857955245741808784332602477269999089567685784787106042013653266458093952600925234979707497286878293829545447428899213146444007640247441494164099806375676070258222967184871101932588449169314180345527645953429269046027431249019018996336310453754110881476858050146829474821809938129443367409485691449579954018127233323692057896453656460600007830680982332169299349382865000132850997273062084958938929066264084070528654105953385816891428876174379465797985637395434049488728530548494951315090217143662191492890161558552850795424767259871907084510161409075134518366165095995254876314373702521696411640011465960635424590315088869387054068055603871054187213529755224587181556297972928232154710340406688776377996401916232482422132145117251304907025591919260999434648871552362060943553171952919165056876657988290389586872309235002527589401678021847657947288934750341760658117784028085464281847736003761202978508633069032479725351619003799033
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 24 of the certificate chain of a 1,548-digit prime (121 intermediate primes).

Certified number1,548-digit prime
Certificatedownload
Certificate chainshow step 24 of 121

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009050962239 --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":1100000009050962239},"decimal":true,"detail":2}}'