Is 1 is prime number? Ans. No, 1 is not a prime number. Why is 1 not a prime number? By definition, a prime number is a natural number greater than 1 that has exactly two distinct positive divisors: 1 and itself. * The number 1 has only one positive divisor (1 itself), not two. * Therefore, it does not satisfy the definition of a prime number. Key Points 1. Historically, 1 was sometimes considered prime, but modern mathematics does not classify it as such. 2. Excluding 1 from the set of prime numbers simplifies mathematical concepts like: * Prime Factorization: Every number greater than 1 has a unique prime factorization. * Number Theory: Including 1 as a prime would disrupt certain theorems and properties, such as the fundamental theorem of arithmetic. - Study24x7
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CBSE Class 12 Syllabus
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Is 1 is prime number?
Ans. No, 1 is not a prime number.
Why is 1 not a prime number? By definition, a prime number is a natural number greater than 1 that has exactly two distinct positive divisors: 1 and itself. * The number 1 has only o...

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