Real number class 10 (odd ,even composite ,co-prime, integer numbers)
Rational number
Natural number - 1.2.3,4,5,6,7,8……..
Number start with 1 is called natural number.
Whole number - 0,1,2,3……
number start with 0 is called whole number.
Integer - 4, - 3, - 2 , -1 0 ,1,2,3….
Integer are positive and negative number with zero.
Prime number - 2,3,5…..
Those number which have only two factors 1 and itself.
Composite number- 4,6,9…….
those number are not prime number or composite number.
Even number- 2,4,6,8…….
number which are divisible by 2 is called even number.
Odd number - 3,5,7……
number which are not divisible by 2 is called odd number.
smallest prime number - 2
smallest composite number- 4
smallest odd composite number - 9
Co- prime number -(4 and 9)....
those numbers that have only one common factor, namely 1. That means a pair of numbers are said to be co prime when they have their highest common factor as 1.
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