0
Anonymous
1 x 63
3 x 21
7 x 9
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28 multiples are 7,4,1,2,14,28, 63 multiples are 1.63.3.3.7 greatest is 7
They're all multiples of 9.
Yes
7,14,21,28,35,42,49,56 & 63
9 and 3