Which number replaces the question mark?
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569
The Central number is formed by there greatest factor of 15 12 and 18
15=> 3 * 5 => greatest factor is 5
12=> 2 * 6 => greatest factor is 6
18=> 2 * 9 => greatest factor is 9.
Which number replaces the question mark?
569
The Central number is formed by there greatest factor of 15 12 and 18
15=> 3 * 5 => greatest factor is 5
12=> 2 * 6 => greatest factor is 6
18=> 2 * 9 => greatest factor is 9.