Question
Which of the following is a Prime
Number?Solution
Any whole number greater than 1 that is divisible only by 1 and itself, is defined as a prime number. For example, 7 has only 2 factors, 1 and 7 itself. So, it is a prime number. However, 4 has three factors, 1, 2 and 4. Therefore, it is not a prime number. It is a composite number.
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