Hcf of 2472, 1284 and the third number ‘n' id 12. if their lcm is 8*9*5*103*107. then the number ‘n' is
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2 l 2472, 1284, 180 (90 x 2)
2 l 1236 , 642, 90 (45x 2)
2 l 618, 321, 45
3 l 309, 321, 45 (15x3)
3 l 103, 107 15 (5 x3)
103, 107, 5 (5given)
n= 180
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