write natural from 2 to 13.what fraction of them are prime number.?
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write natural from 2 to 13.what fraction of them are prime number.?
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Question
What fraction of them are prime numbers?
Answer
Natural numbers from 2 to 12 = Prime number from these are = 2, 3, 5, 7, 11 Therefore, Total numbers = 11 Number of Prime numbers = 5 ∴ Fraction = / Prime numbers Numbers which have only 2 factors – 1 & the number itself Eg: 2, 3, 5, 7…