17 19 23 29 31 37 41 43 47 53 59 61 67 71 73 79 83. Yes the number 29 is a prime number. Life And What Not Prime And Composite Numbers Math Methods 100 S Chart Teaching Numbers The prime factorization of 21 37. . Numbers that have more than two factors are called composite numbers. 22 1 22 and 22 2 11. Therefore we can see it has 4 factors and cannot be prime it is composite. Prime numbers before 29 chart. Keyboard sqrt frac. 23 is a prime number as it has 1 23 factors then 23 is a prime number. For a number to be classified as a prime number it should have exactly two factors. A composite number has more than two factors which means apart from getting divided by 1 and the number itself it can also be divided by at least one positive integer. One notes at once that all the prime numbers with the exception of 2 are odd numbers while any even number is composite but many odd numbers are also. ...