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Yes, 20 times.
180-9 = 171
20
the answer is 5
9
180 x 9 = 1620
9 x 20 = 180
LCM is 180
Exactly 20 times
180, 360, 540, 720, 900 +180 . . .
61000 ÷ 180 = 338 160/180 = 338 8/9 ≈ 338.89
The LCM of 9 and 20 is 180
The GCF is 9.
9 x 180 = 1,620