Treasure not Treason.
A prince enter in garden and found a chest full of diamonds. Suddenly one of his brother also reach there. They decided to equally divide these diamonds. When they divide these, one diamond left undivided. Meanwhile another one of there brothers reach there. These three brothers decide to equally divide these diamonds. When they divide, one left undivided. One after one came there and divide diamonds but one diamond remain undivided till last the seventh reach there. When they seven brothers divide these diamonds equally no diamond left undivided. How many diamonds are there in chest?