Adam and Eve spent a minimum of about 100 years in the garden. Adam was 130 years old when he had Seth, and they were gone from the garden. From Adam's death to Abraham's death, each one of these lived from 500 to 969 years. Adam was on earth for 930 years before he died. As you get down to Abraham, you will begin to see the life span going down.The earth is much older that 6000 years. From the death of Adam and his descendants to Abraham is 12,337 years. The age of each one's death calculate the years. Not to mention, from Abraham to Jesus was 1,680 years ,which comes roughly to 14,017 plus from Jesus to this day has to be calculated. This is the birth and death of every first born.