We know there are 60 minutes in 1 hour. We also know there are 24 hours in one day, and 365 days in one year. If we multiply all of those, we end up with 525,600 minutes in 1 year.
60 minutes in 1 hour x 24 hours in 1 day x 365 days in 1 year = 525,600 minutes in 1 year.