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**Prime numbers**: The number whose determinants are 1 and the number itself is referred to as Prime numbers.

**Example :**2,3,5,7,11,13,…

**2 is the smallest also prime number and also 3 is the smallest odd prime number.The element numbers as much as 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 contends least one variable 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 execute not have actually a common factor other than 1.

**The very first 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 39

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

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

**The twin primes in between 1 to 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• applications on LCMPrime and composite number to Factors and MultiplesNumber SystemHome Page**

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