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प्रश्न
State if the following is a prime number?
137
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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.
137 is a prime number because it is not divisible by 2, 3, 5, 7, and 11.
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संबंधित प्रश्न
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Test the divisibility of the following number by 11:
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In the following number, replace * by the smallest number to make it divisible by 3:
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Write (T) for true and (F) for false against the following statement:
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(a) 8790432
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(d) none of these
Why are divisibility tests useful?
