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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 #1100000009050347120 957 digits created 2026-08-06

Value

112280133872287907786085888980721524565638979592977501277038392442363793331840375329400989252825584831718886159260598522507381036330924648166298140575493981534973903694364550944321681274520357268562497441808143427048353197216033121722628683248140645294007025045019359203537396118895917623550309112751764157856379373847944770242853847193704430615047299393860400208497265722252426912133948354215052052553505944879482419806080279382062597159851322701366444334789736000541181109699821527636637461522914228004669118663845592573340279370972343466817618265819857196142070908321403039803475534775535024191797807613842702596467678223550929759888219911520944849162657284162375671047431697184573205009419454903025048760226074125333560470539059651469611574849042532312465545763314958692307989285425084126730437336259650016955706324508776296887880312718692723618920314062437121566901869923716452855619952684429711917667781493704769995887999500681396743510268579040606871
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 45 of the certificate chain of a 1,525-digit prime (118 intermediate primes).

Certified number1,525-digit prime
Certificatedownload
Certificate chainshow step 45 of 118

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009050347120 --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":1100000009050347120},"decimal":true,"detail":2}}'