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28
The only number that equals 19 is 19 .
19 and 11 are the two prime numbers that equal to 209.
3 and 19
2 and 17
1 and 19
They are: -1*19 = -19
19+19=38
28
10
The only number that equals 19 is 19 .
19 and 11 are the two prime numbers that equal to 209.
19 and 19, 38 and 20
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.
43
How about the prime numbers of: 47+19 = 66