+26393 how to you tell when the next leap year is?
1700 is divisible by 4 but not a leap year
1800 is divisible by 4 but not a leap year
1900 is divisible by 4 but not a leap year
Leap year:
We have a leap year if the year is divisible by 4
and ( the year is not divisible by 100 or the year y is divisible by 400 )
Example:
y= 2020
2020 : 4 remainder 0 okay
2020 : 100 remainder \(\ne\) 0 okay
-> 2020 is a leap year
