For each natural number

n, we draw a periodic curve starting from the origin, intersecting the x-axis atnand its multiples. The prime numbers are those that have been intersected byonly twocurves: the prime number itself and one.

n, we draw a periodic curve starting from the origin, intersecting the x-axis atnand its multiples. The prime numbers are those that have been intersected byonly twocurves: the prime number itself and one.