-87
1, 3, 9, 41, 123 and 369.
369 is composite because 3 and possibly other numbers besides 1 and 369 are factors of 369.
103
No three odd numbers can add up to an even number.
-87
1, 3, 9, 41, 123 and 369.
369 is composite because 3 and possibly other numbers besides 1 and 369 are factors of 369.
No, it is divisible by 3 and several other numbers.
103
2 numbers that add up to 8
83, 3,and 2 are prime numbers which add up to 88.
No three odd numbers can add up to an even number.
There are no two prime numbers that add up to be 152.
3332, 3333 and 3334 add up to 9999 - there are no three consecutive numbers that add up to 10,000.
39
29