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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 #1100000009041794686 1,237 digits created 2026-08-03

Value

4309357832701740516747281175596580508660454524936124098764528897912118716919872655514701120097016501021490337225165544164318165104175309942945027297483042598535532638080549953666803215806584405869871644387635885934313586575662584061257019871160788579876619991717544581998540264453700366765623733806951540884809703745322505431886745059823903824014956292765770412980861231830872964235154786501981012568442866692393504997045590349937498406506584329054213173850815207026807641942932669376660436152208048729631414004367773392199523922112646162720974041824156824881456543046594359756105402490808952858992292806954721714410093918003580930889418925963636810172934491470729482076950721350857651316710699135990205878801034293289190007674563493517598496136750716041711876567031406314263747174878768174795596073538284708149916239507961629969990952735371245092260435921209967553970710788383644593523067755926993075295722053958759563684240842873454589106831391396262550707913752064500924937547435125847857252134477627509246461628698720532341954079754072880177703830061018818703104669557172008708964113032640403262005385112813287445674558225985928442624218077767769427774897818487603278338038722767648184105367781594933576067544933444673354764021699479
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 7 of the certificate chain of a 1,302-digit prime (114 intermediate primes).

Certified number1,302-digit prime
Certificatedownload
Certificate chainshow step 7 of 114

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009041794686 --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":1100000009041794686},"decimal":true,"detail":2}}'