In the time it took you to submit this question you could've already had this problem solved...
But since you asked, its 105.
Their sum is 10000.
Yes, the sum of any three consecutive counting numbers has a factor of 3.
the sum of first 50 consecutive odd numbers is 9801
The sum of the first 30 consecutive odd numbers is 900.
The sum of the first 60 consecutive odd numbers is 3,600.
The sum of the first 900 consecutive odd numbers is 810,000.
The sum of the first 350 consecutive odd numbers is 122,500.
The sum of the first 60 consecutive odd numbers is 3,600.
The sum of the first 30 consecutive odd numbers is 900.
The sum of the first 600 consecutive odd numbers is 360,000.
24 + 25 + 26 = 75
The numbers are 37, 38, 39 and 40.