400.1 to the nearest 800.
800
800
795The range of numbers that round to 800 when rounding to the nearest ten is 795 - 804
800
849 is the highest number that rounds to 800.
753 rounds up to 800 only to the nearest hundred.
You need at least two numbers to find an LCM.
800
800
888
800
950 - 999 rounds to 1000; 750 - 799 rounds 800; and 650 - 699 rounds to 700