In mathematics, RSA-2048 is one of the RSA numbers, large semiprimes that are part of the RSA Factoring Challenge. RSA-2048 has a length of 617 decimal digits and has not been factored so far; a cash prize of 200000 USD has been offered successful factorisation by RSA Security.

RSA-2048 = 25195908475657893494027183240048398571429282126204032027777137836043662020
           70759555626401852588078440691829064124951508218929855914917618450280848912
           00728449926873928072877767359714183472702618963750149718246911650776133798
           59095700097330459748808428401797429100642458691817195118746121515172654632
           28221686998754918242243363725908514186546204357679842338718477444792073993
           42365848238242811981638150106748104516603773060562016196762561338441436038
           33904414952634432190114657544454178424020924616515723350778707749817125772
           46796292638635637328991215483143816789988504044536402352738195137863656439
           1212010397122822120720357

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