Multiple choice

Directions: In each of the following numbers, one number is incorrect. Find out the odd number.

  1. 17

  2. 27

  3. 37

  4. 47
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Among 17, 27, 37, and 47, the number 27 is different because it's the only composite number (27=3×9=3³). The other three numbers (17, 37, 47) are all prime numbers, making 27 the odd one out.

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