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

**Example :**2,3,5,7,11,13,…

**2 is the smallest also prime number and 3 is the the smallest odd prime number.The element numbers up to 100 are :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 contends least one element other than 1 and also the number itself.

**Example**: 4,6,8,9,12,…

**Note : 1 is no prime nor composite.**

**Co-prime Numbers**: two numbers that carry out not have a typical factor other than 1.

**The an initial 100 composite numbers 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 also 39

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

**Twin Primes**: 2 prime number are known as pair primes of there is only one composite number in between them.

**The pair primes in 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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