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Anonymous
1 and 73
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The math factor pairs of 18 are (1,18) , (2,9) , (3,6) .
21,17,3
(49,1)(7,7)
(98,1)(49,2)(14,7)
(80,1)(40,2)(20,4)(16,5)(10,8)
(73,1)
1,8 2,4
10x1 1x105x22x5
1x125 5x25
(14,1)(7,2)
(4,1)(2,2)
(1,100) (10,10)
(218,1)(109,2)
827 and 1.