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    Daily ChallengeHardNumber Theory

    How many prime numbers are there between 1 and 50?

    Quantos números primos existem entre 1 e 50?

    Answer options

    Practice page — XP is earned on the Daily Challenge on the home page.

    Solution

    2,3,5,7,11,13,17,19,23,29,31,37,41,43,47 = 15 primes