(look for the greater digit from left)

2 5 8 4 3 >1 3 5 8 4 >0 8 4 3 5 >0 5 3 4 8 >0 4 8 3 5

for example: 5^th digit(leftmost) of 25843 is more than anyone’s; so it’s the greatest number

(compare the digits from left side, more the digit, more the no.)]