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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 #1100000004944235871 1,194 digits created 2023-10-25

Value

121705666046234391823899973515361556307339846471916912308373136930431023487358959599895750191413759680448121012398726241571646501068265770832238449805604755399590805076787194081890274463755176752320525443652470473807759996804558856588008747981420557195552653340461463539006590092224328339559334433158576696053627865090527622292168206723217514980898301862340828242288616887072580266120358594198723309440602972115084310750316149918029917865738979357974486757008408571646704094894603153969112146589349678478267707373049841974357954970913842523118672295061109577692717702038273141092881533903276879206573153040342012433214423848483909584806154315581417129649690496210535988758345740441370440267037031931985653865359877293884320496071693336278709431179828067643363163939146486689466355036701288781294373806226762512934646770598803001037019594800654944800862260406082612208053430586897158472386630048102565747572198338828288361713151106050616024149490789061074173385482021194926464030611471656936870905991824973729136198526916129632201168227555587504243791563050174881221473247954852116382802622240999617236223398891391614088314469306326891294973725287649502198420466061606334351885055445121774851709
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 51 of the certificate chain of a 1,587-digit prime (236 intermediate primes).

Certified number1,587-digit prime
Certificatedownload
Certificate chainshow step 51 of 236

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004944235871 --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":1100000004944235871},"decimal":true,"detail":2}}'