19 + 29 + 59 = 107
8, 9 and 10.
18, 27, 45
The first three odd numbers are 1, 3, and 5. Their sum is 1 + 3 + 5 = 9.
The numbers are 5, 7 and 9.
The sum of the first three prime numbers that end with a 9 (19,29,59) is 107
19 + 29 + 59 = 107
7 and 2
8, 9 and 10.
63, 18 and 9
18, 27, 45
There is only one square number from 5-15: 9. This can be written as the sum of 2 and 7, which are prime numbers.
the sum of the first three numbers is 1 + 3+5= 9
4nd 9.
The first three odd numbers are 1, 3, and 5. Their sum is 1 + 3 + 5 = 9.
The numbers are 5, 7 and 9.
All prime numbers greater than 2 are odd numbers. The sum of any two odd numbers is always an even number, and no even number greater than 2 is a prime.