Topic

Prime Numbers

Learning resources

Level
4th
Format
Website
Level
5th
Format
Website
Level
High School - College
Format
Online video/YouTube

About Prime Numbers

The first few prime numbers are 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97. As can be seen, the prime numbers get progressively more difficult to find as we move further along the natural number sequence. This is because there are fewer and fewer numbers that fit the definition of a prime number as we move along. Nevertheless, the prime numbers are an essential part of the number system and hold a significant place in the world of mathematics.

One of the most basic and important facts about prime numbers is the fundamental theorem of arithmetic: every natural number greater than 1 can be written as a product of prime numbers, and this product is unique (up to the order of the factors).

Prime numbers are important in mathematics because they can only be divided by themselves and one, making them the foundation for other number theory and algebraic equations. Most real-world applications that use prime numbers are obscured to the general public, but they are used heavily in cryptography, financial transactions, and data compression.

Learning Prime Numbers