Highest common factor
Number Theory
Level
3
Find the largest positive integer such that 324, 366 and 513 give the same remainder when divided by .
The answer is 21.
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1 solution
on substraction,
(513-355), (513-324) and (366-324),
the obtained numbers are: 147, 189 and 42
hence required no. is HCF(147, 189, 42) = 21