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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 #1100000004874749245 2,229 digits created 2023-10-25

Value

204073191896549367022865734536654767360608216383314689807676703158562589421248975675507942884448750672873479995894398032415261226566939741160381139380005520503822078070181304022424448408433732834096213206161020881140538609713708283118927532526866857480581092063874100986083077540635940874327280428459223178528946181555595991964377831067749407584216369646979817550587885421716926583325775526304262283399469107269536042304302699882282414825245257448783189771867460282673702249343213791703543186901532914802173145153914346353877335449693707822798880738231313518254482216358790877669841991379570836453677646823772916002037346833563612459680040779616031232457522353347219098487038487137829909375233315280718332272374541017559550626972986517571282125551219612034125412538572467434277842673109384569327441567878276476183545725421888444155292298975328093732920141756870225248258425270308513840403103672063344335994231426070407265602178408894289343149525772840865244821647089431834764112601235001220082468706510703378004589092857682598370925080222794862198289600699094963891334821617891150145260553365983783315242033120772584463236794248624487713018561284260047101188525359180482838846035037517144119244473388419591104152257976664725609655313022014428827848962847225198887858862969495181932810933427048430889180715851884037536866006857117350359954831021648908750341062430711494690803989824845393712481465251397015800913646461711312260042793764775803843289440858588667669112326288206002968812479991963814886178262123758566921744077172242406679343976779491592729161682499167634827441296023878716605866269510936818121769829950028559053579547727781337966137128694987537308504772728003358335824476892094706515104796702111965868960601214941694679127211661153116291007981018649136264584750559114382525625440326041554270255361636303570204114182333220411080355620503129296879199108093849175397210425652045476498270574191414273377493591607902509803044085539976217435905956367633746674993668582431888681434851151832218452734597517661390997550348928121301279604196695700206792190645882933036866013273255065807110777519684229393417377744359887739484417111276994633887916145957152530318960558366307752256523290462196027248750287668739599332648337167933
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 31 of the certificate chain of a 2,510-digit prime (346 intermediate primes).

Certified number2,510-digit prime
Certificatedownload
Certificate chainshow step 31 of 346

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004874749245 --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":1100000004874749245},"decimal":true,"detail":2}}'