Find the number of integers from 1 to 10,000 which are divisible by either 13 or 51
regards
Sridhar
Hello yshridhar
Welcome to Math Help Forum! , so there are integers from to that are divisible by .
In the same way, you can find the number of integers that are divisible by .
Add this number to . Then you will need to subtract the number of integers that are divisible by , because they will have been counted twice. (Note that , so and have no common factors.)
Can you complete this now?
Grandad