1234 - 5 - 6 + 789
1+1+17
1 and 19
They are: -1*19 = -19
19+19=38
28
19 and 19, 38 and 20
10
19 and 11 are the two prime numbers that equal to 209.
The only number that equals 19 is 19 .
The sum of any four odd numbers will never be equal to an odd number.
The sum of any four odd numbers will never be equal to an odd number.
How about the prime numbers of: 47+19 = 66