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प्रश्न
State if the following is a prime number?
397
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उत्तर
A number between 100 and 200 is a prime number if it is not divisible by any prime number less than 15.
Similarly, a number between 200 and 300 is a prime number if it is not divisible by any prime number less than 20.
397 is a prime number because it is not divisible by 2, 3, 5, 7, 11, 13, 17, and 19.
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संबंधित प्रश्न
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59628
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524781
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Test the divisibility of the following numbers by 5:
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Test the divisibility of the following numbers by 6:
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Test the divisibility of the following numbers by 8:
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In the following number, replace * by the smallest number to make it divisible by 9:
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Which of the following is a prime number?
What does “divisible” mean?
