Science Journal Of Mathematics and Statistics, Volume 2016, January 2016

© Author(s) 2016. This work is distributed under the Creative Commons Attribution 3.0 License.

Research Article


Analyses and Formulas for the Set of Composite Numbers and the Set of Prime Numbers

Author: Ismael Tabuñar Fortunado

University of Santo Tomas, España, Manila, Philippines.

Accepted 16 December, 2016; Available Online 22 January 2016

doi: 10.7237/sjms/110


Composite numbers and prime numbers were studied. They are said to be in infinite sets. 0 and 1 are neither prime nor composite; other natural numbers are either prime numbers or composite numbers. A conclusion was first made by observation then, analysis. Then, the author had created two formulas: one for the set of composite numbers and another for the set of prime numbers. This is also a proof that there are infinitely many prime numbers.

Keyword:Arithmetic progression, Composite Number, Natural Number, Prime Number, Set, Union