Cookie Conundrum

Jason baked between 50 and 100 Christmas cookies. He tried dividing them into equal groups of 2, 3 or 7 in order to give them out to his friends but he always had one cookie left over. How many Christmas cookies did Jason bake? The number of cookies spelled out can be used as a promo code for 10% off a puzzle room experience. The code is valid until January 1, 2021.