Asked by anonymous
how many integers between 1 and 149 inclusive are relatively prime to 30
Answers
Answered by
oobleck
do you know what it means to be relatively prime?
The prime factors of 30 are 2,3,5
So how many multiples of those numbers are there?
Subtract the total from 149.
The prime factors of 30 are 2,3,5
So how many multiples of those numbers are there?
Subtract the total from 149.