How many leap years since 1492?

To determine the number of leap years since 1492 up to 2023, we first identify the leap year rule: a year is a leap year if it is divisible by 4, except for years divisible by 100, unless they are also divisible by 400. From 1492 to 2023, there are 531 years. Calculating the leap years, there would be approximately 132 leap years in that span.