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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 #1100000009048552580 1,156 digits created 2026-08-05

Value

5259683363098310328547683079897545755821048112955064170013955880563412725511829743739594078989751211754797989938827808972851316629519990675012079085904830877023363849031667717926092290475427290530101704417225713287318903688429241474758388891050575560470212214859980357754322701464681066178080964451611328129362545707957604074792398721644749997525477653715943492915169116827067884043470597534817589724290678143095586896681649836798396070766900781134487108440219626430318943423185251428299167434961009239434726087527098180616467641446729338856905762610067180025162983252672990305598954323480673228552373571121717127326752861079677440602289812566999436125131370130907717307093870207061472515365812285178390062018435486410998972632603494271967905349936188128271284966560388319335365794010516055235491912614799510522008087608171616393359181082171135245837190898101013371789599946854714649768152562741189642726998388943468713510950186188683546154439100411783426642595643188251580818561443154226553577826341219899342783220428956938562297037490526461580438121548590719652288411933488986040619966500504883349657990097434745497491797356987237762598336347089393916271
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 28 of the certificate chain of a 1,493-digit prime (115 intermediate primes).

Certified number1,493-digit prime
Certificatedownload
Certificate chainshow step 28 of 115

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009048552580 --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":1100000009048552580},"decimal":true,"detail":2}}'