No
415
83 is not a multiple of 9
Any multiple of 83.
No
No.
The least common multiple of the numbers 83, 21 and 60 is 34,860.
The LCM of 83 and 723 is 60009
- 22 + (-83) + 5 = -22 - 83 + 5 = -100
The sum of 25 times the last digit and the rest of the number is a multiple of 83
8300
83
Divide 415 by 5 = 83 The set of 5 numbers is 83-2, 83-1, 83, 83+1, 83+2 or 81, 82, 83, 84, 85.