What are the numbers which have only two factors (1 and the number its...
Numbers which have only two factors (1 and itself) are called prime numbers.
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What are the numbers which have only two factors (1 and the number its...
The answer is option 'C' because prime numbers have exactly 2 factors i.e 1 and the number itself.
Ex - Q.Write the factors of 7
A.They are :-
1 and 7.
What are the numbers which have only two factors (1 and the number its...
Prime numbers
Prime numbers are the numbers which have only two factors - 1 and the number itself. These numbers are considered to be the building blocks of all other numbers since they cannot be divided evenly by any other number except for 1 and themselves.
Characteristics of prime numbers:
- Prime numbers are greater than 1.
- They have only two factors - 1 and the number itself.
- Examples of prime numbers include 2, 3, 5, 7, 11, 13, and so on.
Examples:
- 2 is the only even prime number.
- 3 is the smallest odd prime number.
- 5, 7, 11 are also prime numbers.
Importance of prime numbers:
- Prime numbers are essential in various fields such as cryptography, computer science, and mathematics.
- They play a crucial role in encryption algorithms and ensuring data security.
- Prime numbers are also used in generating random numbers for various applications.
In conclusion, prime numbers are unique numbers that have only two factors - 1 and the number itself. They hold significant importance in various fields and are essential in understanding the fundamental properties of numbers.
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