Ask Question
22 December, 17:37

Find all 2-digit natural numbers that have exactly three factors.

+3
Answers (1)
  1. 22 December, 17:51
    0
    16, 25, 36, 49, 64, 81 are all the 2 digit numbers that have exactly three factors.

    Why?

    For any number x, 1 and x are its factors obviously. So if the number is not a perfect square it will have more than or equal to 2+2 factors. Hence only the numbers mentioned were counted.
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “Find all 2-digit natural numbers that have exactly three factors. ...” in 📗 Mathematics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers