Which of the following is a prime number?

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Prepare for the ASVAB Arithmetic Reasoning Test. Study with flashcards and multiple choice questions, each question has hints and explanations. Get ready for your exam!

Multiple Choice

Which of the following is a prime number?

Explanation:
A prime number is defined as a natural number greater than 1 that has no positive divisors other than 1 and itself. In this case, 7 is the only number listed that meets this criterion. The number 7 is greater than 1 and can only be divided evenly by 1 and 7. It cannot be divided evenly by any other whole numbers, confirming its status as a prime number. On the other hand, the numbers 4, 6, and 10 are not prime. The number 4 can be divided by 1, 2, and 4; 6 can be divided by 1, 2, 3, and 6; and 10 can be divided by 1, 2, 5, and 10. Each of these numbers has divisors other than 1 and themselves, which disqualifies them from being prime. Therefore, the only prime number in this list is 7.

A prime number is defined as a natural number greater than 1 that has no positive divisors other than 1 and itself. In this case, 7 is the only number listed that meets this criterion.

The number 7 is greater than 1 and can only be divided evenly by 1 and 7. It cannot be divided evenly by any other whole numbers, confirming its status as a prime number.

On the other hand, the numbers 4, 6, and 10 are not prime. The number 4 can be divided by 1, 2, and 4; 6 can be divided by 1, 2, 3, and 6; and 10 can be divided by 1, 2, 5, and 10. Each of these numbers has divisors other than 1 and themselves, which disqualifies them from being prime. Therefore, the only prime number in this list is 7.

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