7 and 3
Two-digit prime numbers whose digits add up to 10 are:193773
if you mean what three prime numbers add up to a prime number then the answer is : 5 + 7 + 11 = 23
There are no prime numbers greater than 10 that add up to 29. Since all prime numbers greater than 2 are odd numbers, no two prime numbers greater than 2 can have an even number for their sum.
7 x 13
When you add two or more prime numbers you will only end up with a whole number and not a decimal number.
5 + 7 + 11 = 23
No, they do not. If one of the prime numbers is 2, you will have an odd number.
2014 ( The sum of the digits = 7, a prime number )
73 + 2
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.
29
Prime. It is only divisible by itself and one.