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प्रश्न
State if the following is a prime number?
179
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.
179 is a prime number because it is not divisible by 2, 3, 5, 7, 11, and 13.
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संबंधित प्रश्न
Test the divisibility of the following number by 2:
357986
Test the divisibility of the following number by 4:
810524
Test the divisibility of the following numbers by 5:
4965
Test the divisibility of the following numbers by 5:
124684
Test the divisibility of the following numbers by 7:
117
Test the divisibility of the following numbers by 9:
326999
In the following number, replace * by the smallest number to make it divisible by 11:
9*8071
Write (T) for true and (F) for false against the following statement:
A number is divisible by 18 if it is divisible by both 3 and 6.
Write (T) for true and (F) for false against the following statement:
If a number divides two numbers exactly, it must divide their sum exactly.
Which of the following numbers is divisible by 11?
