The question in the image asks, "Which of the following numbers are prime?" The options provided are:

• 11
• 5
• 7
• 17

The boxes for each of these numbers have been checked, and this is correct. All four numbers (11, 5, 7, and 17) are indeed prime numbers.

What makes these numbers prime?

A prime number is a number greater than 1 that has no positive divisors other than 1 and itself. The numbers 11, 5, 7, and 17 satisfy this condition because they cannot be divided evenly by any other number except 1 and the number itself.

Would you like more details on prime numbers, or have any other questions? Here are some related questions you might find useful:

1. What is the definition of a composite number?
2. Why is 1 not considered a prime number?
3. Can negative numbers be prime?
4. What are the first 10 prime numbers?
5. How do you check if a large number is prime?

Tip: Prime numbers are key in various fields, especially cryptography, where they are used in algorithms to secure data.