factordbrpc · fdb
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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 #1100000009058302150 1,124 digits created 2026-08-09

Value

19505838666957513098872204772440981209479851471617464471112603225789045873061259375448841217431175664674034342633936068742096961423212736712882531862136442028510609420229725874431346316571861714279682496226836388645277128751558719433032768857149033600231689940691561864063867570718988512414211399798175215595038630529370858760811368964458312669907144813146465136974928968830206883524468904955289920980517875632627031542702378668497515588241907367415393807302007479802546795434729507732872015941258485394135105851394403482791085958551766559052458755257690624354191351547218782260877041444555019048084743962751172635197444224443102584141588913283605671306212733919847140221132245440425748756788376019774093089285103005110902749839930707729993551878035201457394671684108683580668200062899009495939761431120313182082558854407579172880419938563280218275096035634685419605244080263026969990034751385224736745739756217704647760222407925090420562256904258090464864311089730913610102906050893075888292681696872770275971691004847470397937846406343173792854705412362649871671478752156929280690460696555551603786192074612479905645679789
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 81 of the certificate chain of a 2,256-digit prime (163 intermediate primes).

Certified number2,256-digit prime
Certificatedownload
Certificate chainshow step 81 of 163

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009058302150 --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":1100000009058302150},"decimal":true,"detail":2}}'