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**Prime numbers**: The numbers whose factors are 1 and the number itself is dubbed Prime numbers.

**Example :**2,3,5,7,11,13,…

**2 is the smallest even prime number and also 3 is the the smallest odd prime number.The element numbers approximately 100 space :2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71,73, 79, 83, 89, 97Composite Number**: The number which has at least one factor other than 1 and the number itself.

**Example**: 4,6,8,9,12,…

**Note : 1 is neither prime no one composite.**

**Co-prime Numbers**: two numbers that perform not have actually a typical factor various other than 1.

**The an initial 100 composite number are4, 6, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 22, 24, 25, 26, 27, 28, 30, 32, 33,34, 35, 36, 38, 39, 40, 42, 44, 45, 46, 48, 49, 50, 51, 52, 54, 55, 56, 57, 58,60, 62, 63, 64, 65, 66, 68, 69, 70, 72, 74, 75, 76, 77, 78, 80, 81, 82, 84, 85,86, 87, 88, 90, 91, 92, 93, 94, 95, 96, 98, 99, 100, 102, 104, 105, 106, 108,110, 111, 112, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125,126, 128, 129.Example :**35 and 39

**35 = 7 x 5 x 139 = 3 x 13 x 1Both 35 and also 39 are composite numbers,the only aspect common between them is 1.∴ 35 and 39 space co-prime numbers.Some much more examples are**: 1) 2,3 ; 2) 3,4 3) 5,6 4) 8,13, and so on.

**Twin Primes**: two prime number are well-known as twin primes of over there is just one composite number in between them.

**The twin primes between 1 come 100 are3-5, 5-7, 11-13, 17-19, 29-31, 41-43, 59-61, 71-73Factors and Multiples**

**• Prime-Composite numbers• Divisibility rules• element Factorization• H.C.F or G.C.F• L.C.M• application on LCMPrime and also composite number to Factors and MultiplesNumber SystemHome Page**

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