Numbers | Term 2 Chapter 2 | 5th Maths - Composite and Prime Numbers | 5th Maths : Term 2 Unit 2 : Numbers
Chapter: 5th Maths : Term 2 Unit 2 : Numbers
Composite and Prime Numbers
A natural number having more than 2 factors is called a composite number. A natural number greater than 1, having only two factors namely one and the number itself is called a prime number.
Composite
and Prime Numbers
Activity
Tick the factors of the following numbers
Composite Number:
A natural number having more than 2
factors is called a composite number.
Examples
4,
6, 8, 9, 12, 26, 60, 448, 816,…
Prime number:
A
natural number greater than 1, having only two factors namely one and the
number itself is called a prime number.
Do you know? 2 is the
only even prime number.
Examples
2,
3, 5, 7, 11, 13, 29, 37,….
COMMON FACTORS:
The
factors that are common to two or more numbers is called common factors.
Example
The
factors of 12, 18 are :
The
factors of 12 - 1, 2, 3, 4, 6, 12
The
factors of 18 - 1, 2, 3, 6, 9, 18
The
common factors of 12, 18 are 1, 2, 3 and 6.
Activity
Tags : Numbers | Term 2 Chapter 2 | 5th Maths , 5th Maths : Term 2 Unit 2 : Numbers
Study Material, Lecturing Notes, Assignment, Reference, Wiki description explanation, brief detail
5th Maths : Term 2 Unit 2 : Numbers : Composite and Prime Numbers | Numbers | Term 2 Chapter 2 | 5th Maths
Related Topics
5th Maths : Term 2 Unit 2 : Numbers