if you mean what three prime numbers add up to a prime number then the answer is : 5 + 7 + 11 = 23
The smallest prime number, of course, is 2. The smallest prime number whose digits add up to 2 is, of course, 2. The next-smallest is 11. It is left as an exercise for the reader to determine whether the other numbers whose digits add up to 2 (e.g. 101, 1001, 10001) are prime.
no 11 is not a perfect number because when u add the factors the don't add up to 11
23+11+61=95 :)
137, 11, 2
if you mean what three prime numbers add up to a prime number then the answer is : 5 + 7 + 11 = 23
5 + 7 + 11 = 23
5 + 7 + 11 = 23
29, 11, 2
3 and 37
The prime factors of 33 are 3 and 11 and the prime numbers of 2 and 31 add up to 33
The smallest prime number, of course, is 2. The smallest prime number whose digits add up to 2 is, of course, 2. The next-smallest is 11. It is left as an exercise for the reader to determine whether the other numbers whose digits add up to 2 (e.g. 101, 1001, 10001) are prime.
137 and 11 are two prime numbers that add up to 148.
11 and 3
44. 11*4=44 11+4= 15
17 and 17 3 and 31 5 and 29 11 and 23
Several Answers - As the total of 110 is an even number, then the prime number "2" must be one of the numbers as three odd prime numbers would add up to an odd number total. The question can then be regarded as , What 2 prime numbers add up to 108 ? 103 + 5 + 2 101 + 7 + 2 97 + 11 + 2 89 + 19 + 2 79 + 29 + 2 71 + 37 + 2 67 + 41 + 2 61 + 47 + 2