Which of the following is a prime number?a)117b)171c)179d)169Correct a...
117, 171 are divisible by 3.
169 is divisible by 13.
179 is a prime number.
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Which of the following is a prime number?a)117b)171c)179d)169Correct a...
117, 171 are divisible by 3.
169 is divisible by 13.
179 is a prime number.
Which of the following is a prime number?a)117b)171c)179d)169Correct a...
Prime Number Explanation:
Prime numbers are numbers greater than 1 that have only two factors: 1 and themselves. They cannot be divided evenly by any other number.
Explanation of Options:
- Option a) 117: 117 is not a prime number because it can be divided by 1, 3, 9, 13, 39, and 117.
- Option b) 171: 171 is not a prime number because it can be divided by 1, 3, 9, 19, 57, and 171.
- Option c) 179: 179 is a prime number because it can only be divided by 1 and 179 itself.
- Option d) 169: 169 is not a prime number because it can be divided by 1, 13, and 169.
Conclusion:
The prime number among the given options is option c) 179. It satisfies the definition of a prime number as it has only two factors: 1 and 179.