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 numbe r - 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.