Prime Numbers

# What 3 prime number add up to 11?

789 ###### 2010-01-15 12:30:42

7+2+2 or 5+3+3

7+2+2 or 5+3+3

7+2+2 or 5+3+3

7+2+2 or 5+3+3

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0 7+2+2 or 5+3+3

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## Related Questions if you mean what three prime numbers add up to a prime number then the answer is : 5 + 7 + 11 = 23  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. no 11 is not a perfect number because when u add the factors the don't add up to 11  The prime factors of 22 are 2 and 11 which add up to 13 There are no two prime numbers which add up to 27. In order for two numbers to add up to an odd number (27), one must be even and the other must be odd. The only prime number which is even is 2. Since 27 - 2 = 25, the only even prime number would have to be added to 25 to equal 27. 25 is not prime, so no two prime numbers can add up to 27. When you add two or more prime numbers you will only end up with a whole number and not a decimal number. 2 is the only even prime number, all other prime numbers are odd Adding 3 odd number gives an odd number So 2 is one of the 3 prime number, then the problem is equal to: what 2 odd prime numbers add up to 28? Odd Prime numbers less than 28 are: 3, 5, 7, 11, 13, 17, 19, 23 The only solutions (for 28)are: 5+23, 11+17 So the solutions (for 30) are: 2+5+23, 2+11+17 No, they do not. If one of the prime numbers is 2, you will have an odd number.  A prime number, since nothing can add up to it.It has no factors other than itself and one. 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 For two primes to add up to an odd number, one of them has to be two. 33 isn't prime, so there is no solution. They are 2 and 17 = 19 which is also a prime number  Find the prime factorization. Identify the distinct prime factors. Add them up. The only way two prime numbers can add up to an odd number is if one of them is 2. Since 63 isn't prime, this pair doesn't exist. No. It is divisible by 3, as you will see if you add up the digits. yes it is the only way to make it is 1 times 7875 add up the didgets and it is 37 and 37 is a prime number Pairs of prime numbers which add up to 82 are:3 + 7911 + 7123 + 5929 + 5341 + 41  No. The digits in the odd-numbered positions (1 and 3) add up to 4, and the digit in the even-numbered position is 4. So it is a multiple of 11. 11 * 13 = 143.

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