What is a prime number?

Learn what a prime number is—an integer greater than one that has no divisors other than one and itself, and its importance in mathematics.

What is a prime number?
Emma May-20-2023 04:30:36
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What is a prime number?

A prime number is a whole number greater than 1 that can only be divided by 1 and itself without leaving a remainder. In other words, a prime number has exactly two distinct positive divisors: 1 and the number itself.

Characteristics of prime numbers:

  • Prime numbers are always greater than 1.
  • They have only two factors - 1 and the number itself.
  • Prime numbers cannot be divided evenly by any other number.
  • The number 2 is the only even prime number, as all other even numbers are divisible by 2.

Examples of prime numbers:

Some examples of prime numbers include: 2, 3, 5, 7, 11, 13, 17, 19, 23, and so on. These numbers can only be divided by 1 and themselves without any remainder.

Importance of prime numbers:

Prime numbers play a crucial role in number theory and mathematics as a whole. They are the building blocks of all other numbers and have applications in encryption algorithms, computer science, and various fields of science and technology.

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Edward 1794388649
19 Ques 1 Ans
answered 28 Aug 2024

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