Ask Question
30 September, 21:51

How many positive integers less than 20 have exactly 2 positive divisors?

+5
Answers (1)
  1. 30 September, 23:54
    0
    7 numbers

    2, 3, 5, 7, 11, 13, 17, 19

    Step-by-step explanation:

    Only a prime number has exactly 2 positive divisors which are 1 and himself

    and the prime numbers less than 20 are : 2, 3, 5, 7, 11, 13, 17, 19
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “How many positive integers less than 20 have exactly 2 positive divisors? ...” in 📘 Mathematics if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers