California Assessment of Student Performance and Progress (CAASPP) Math Practice Exam

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What is the next prime number after 5?

  1. 6

  2. 7

  3. 8

  4. 9

The correct answer is: 7

The next prime number after 5 is 7. A prime number is defined as a natural number greater than 1 that has no positive divisors other than 1 and itself. The number 7 meets this criterion, as it can only be divided evenly by 1 and 7, confirming its status as a prime number. Additionally, it directly follows 5 in the sequence of natural numbers, making it the immediate next prime. The other options do not qualify as the next prime number after 5. For instance, 6 is divisible by both 1, 2, 3, and 6; 8 can be divided evenly by 1, 2, 4, and 8; and 9 is divisible by 1, 3, and 9. None of these numbers fulfill the requirement of having only two distinct positive divisors.