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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:
69435
Test the divisibility of the following numbers by 5:
23590
Test the divisibility of the following numbers by 7:
25368
Test the divisibility of the following numbers by 9:
647514
Test the divisibility of the following number by 11:
83721
In the following number, replace * by the smallest number to make it divisible by 3:
234*17
In the following number, replace * by the smallest number to make it divisible by 11:
86*72
State if the following is a prime number?
137
State if the following is a prime number?
331
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.
