649
Look at the last digit. If the last digit of a number is even, the whole number is even. If the last digit is odd, the number is odd.
649
600
Smallest is 550, largest is 649
649
Look at the last digit. If the last digit of a number is even, the whole number is even. If the last digit is odd, the number is odd.
649
600
Everything from 550 to 649.
600
600
1029 - 649 = 380 649 - 269 = 380
Smallest is 550, largest is 649
No
The lowest common multiple of 649 and 10 is 6490
600