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प्रश्न
State if the following is a prime number?
161
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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.
161 is a not prime number because it is divisible by 7.
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संबंधित प्रश्न
Test the divisibility of the following numbers by 7:
25368
Test the divisibility of the following numbers by 9:
326999
Test the divisibility of the following number by 11:
901351
In the following number, replace * by the smallest number to make it divisible by 9:
65*5
In the following number, replace * by the smallest number to make it divisible by 11:
86*72
In the following number, replace * by the smallest number to make it divisible by 11:
467*91
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 4?
Test the divisibility of 5869473 by 11.
If a number is divisible by 6, which of the following must be true?
