kinolo4kong
kinolo4kong kinolo4kong
  • 25-06-2019
  • Mathematics
contestada

How many positive integers less than 60 have an even number of positive divisors?

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absor201
absor201 absor201
  • 06-07-2019

Answer:

There are 52 such numbers that have even divisors.

Step-by-step explanation:

All the  numbers between 2 and 59 have an EVEN number of positive divisors.

Except the Perfect Squares..

or 4, 9, 16, 25, 36 and 49, which have 3 divisors each.

So:

59 - 2 + 1 =58

Now subtract 58 from 6 (perfect squares)

58- 6=52

Therefore,it means that there are 52 such numbers that have EVEN divisors....

Answer Link
guolin0330
guolin0330 guolin0330
  • 14-07-2020

Answer:

52

Step-by-step explanation:

Answer Link

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