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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
Test the divisibility of the following numbers by 5:
23590
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251780
Test the divisibility of the following numbers by 7:
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Test the divisibility of the following numbers by 8:
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Test the divisibility of the following numbers by 9:
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Test the divisibility of the following number by 11:
901351
Test the divisibility of 19083625 by 11.
Write (T) for true and (F) for false against the following statement:
If a number is divisible by 8, it must be divisible by 4.
Write (T) for true and (F) for false against the following statement:
If a number is divisible by 3 and 7, it must be divisible by 21.
Which of the following numbers is divisible by 6?
(a) 8790432
(b) 98671402
(c) 85492014
(d) none of these
