43 + 5
21 and 22 add to 43
Thre are infinitely many solutions. The smalest set with two different triangular number adding to another is 6 + 15 = 21
43
43 and 2
28 and 15
45
43 + 5
They are: 1*43 = 43 which is a prime number
1 x 43, 43 x 1
21 and 22 add to 43
Thre are infinitely many solutions. The smalest set with two different triangular number adding to another is 6 + 15 = 21
43
The answer is 43 and 24.
43 + 5
43 and 2
The prime numbers (factors) of 172 are: 2 and 43