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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 #1100000009040888715 1,219 digits created 2026-08-03

Value

5095096107804573617576171358726725570354486344717565191282590744810746924828656144837465180247798533152685945250512375089387169730789614783346285833705699290211810080059233174014248226599078356727630760344355858776528576689134409028524014839633205023830796224183362840865362582758243808851209036849195971298264551559179245374623355037336646500069203601769487683576233171055762968855762194899935645502680694227244611414530364358451355928643889965080419522817978105618925467780552918861772203198166424006465822852907681790216082946876047733954752753543077687790604158427859564161302846286724706818977213038122549311781617730806033449135676938933672665028929379012123352325533623597997102099920699312353312616252748685459264986013005041842769187518803019307628572612714368869793848961645443748105833038372458349380482553780744239950990988144052610549953221946481037500294525330704974197903765087524905203787023734402314288690832079789159947800603009679750738829176295670160262651990831578422283417317365805398615463704043390862726994886047474852824237592792311137199669301412085751512443815070127249632276139209024903485250429758703236193869017270850585382982528949019116203300729191375753180986402461515960064006094325619
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 6 of the certificate chain of a 1,285-digit prime (108 intermediate primes).

Certified number1,285-digit prime
Certificatedownload
Certificate chainshow step 6 of 108

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009040888715 --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":1100000009040888715},"decimal":true,"detail":2}}'