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The prime numbers of: 23 plus 7 = 30

Also, 11 + 19 = 30 and 13 + 17 = 30

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15x2 and 6x5

Q: What two prime numbers have a sum of 30?

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25 and 5

I guess you mean by 'twin primes' two prime numbers that are next to each other in the sequence. With this information, the two prime which will be near the same value, should be near half of 60 (which is 30). So start looking at prime numbers near 30. One will have to be greater than 30 and the other less than 30. I found 29 & 31.

How about: 30 and 30

The numbers are 18 and 12

86

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They are 13 and 17

No two prime numbers can make 30.No two prime numbers can make 30.No two prime numbers can make 30.No two prime numbers can make 30.

1 + 297 + 2311 + 1913 + 17

No. Some prime numbers are far above 60.

If you multiply two prime numbers, the product (result) will be a composite number, not a prime number. A prime number has exactly two factors, 1 and itself. The product of two prime numbers will have those two numbers as factors, as well. The sum of two prime numbers might be prime if one of those two numbers is 2, the only even prime number, but otherwise it will not be a prime because two odd numbers will have an even sum, which means it is divisible by 2. Examples: 2 + 3 = 5 (prime) 3 + 7 = 10 (not prime) 13 + 17 = 30 (not prime) If you multiply two prime numbers, the sum of the digits of the product might or might not be prime. Examples: 2 x 7 = 14, sum of digits is 5 (prime) 2 x 11 = 22, sum of digits is 4 (not prime) 3 x 5 = 15, sum of digits is 6 (not prime) 3 x 7 = 21, sum of digits is 3 (prime) 5 x 7 = 35, sum of digits is 8 (prime)

31 is the only prime number between 30 and 40

The sum of all prime numbers less than 30 is 129.

13 + 17 = 30

311

68

From 30 to 40 they are 31 and 37

30 - 31 = -1