Number theory, in particular investigations related to prime numbers, was famously considered as useless (cf Hardy), for practical matters. Now, since "everybody" needs some crypogrphy cryptography it is quite useful to know how to generate primes (eg, for an RSA key) and alike, sometimes involving prior 'useless' number theory results.
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2 | crypogrphy --> cryptography | ||
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1 | [made Community Wiki] | ||
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Number theory, in particular investigations related to prime numbers, was famously considered as useless (cf Hardy), for practical matters. Now, since "everybody" needs some crypogrphy it is quite useful to know how to generate primes (eg, for an RSA key) and alike, sometimes involving prior 'useless' number theory results. |
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