write the following number whether it is prime or composite 7,39,43,58,69,87,97,105
Answers
Step-by-step explanation:
Prime numbers : The numbers whose factors are 1 and the number itself is called Prime numbers.
Example : 2,3,5,7,11,13,…
2 is the smallest even prime number and 3 is the smallest odd prime number.
The prime 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, 97
Composite 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 nor composite.
Co-prime Numbers : Two numbers that do not have a common factor other than 1.
The first 100 composite numbers are
4, 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.
so select from this and Answer