Eggzactly

There was an old lady carrying eggs in a basket on her head. Suddenly she collided with a gentleman and all the eggs were broken. The man was ready to pay her compensation for her eggs. He asked how many eggs there were. She said I am illiterate and I cannot count, but when I was putting the eggs in rows of two there was one egg extra. Similarly, when I was arranging in rows of three, there was also one egg remaining, When I was arranging in rows of four, also one was remaining, When I was arranging in rows of five, there also one was remaining, When I was arranging in rows of six, there too was one was remaining but when I was arranging in the row of seven, it was complete and no reminder. So find out what is the lowest possible number of eggs.