Prime Counting Function

The prime counting function is a function that gives the number of primes less than or equal to a given positive number.

Prime counting function is a college-level concept that would be first encountered in a number theory course.

Prerequisites

Prime Number:

A prime number is a positive integer that has exactly one positive integer divisor other than 1 (i.e., no factors other than 1 and itself). Prime numbers are often simply called primes.

Classroom Articles on Number Theory (Up to College Level)

	Congruence	Partition
	Continued Fraction	Perfect Number
	Convergent	Prime Factorization Algorithms
	Diophantine Equation	Prime Number Theorem
	Divisor Function	Quadratic Reciprocity Theorem
	Euclidean Algorithm	Squarefree
	Euler-Mascheroni Constant	Totient Function
	Fermat's Last Theorem	Transcendental Number
	Number Theory