1, 3, 7, 9, 21, 27, 63, 189.
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1, 3, 7, 9, 21, 27, 63, 189.
1 x 189, 3 x 63, 7 x 27, 9 x 21.
The LCM is 189.
To determine how many times 21 can go into 189, you would perform the division 189 ÷ 21. The quotient is 9, meaning that 21 can go into 189 nine times without any remainder. This can also be expressed as 189 = 21 x 9.
189 ÷ 7 = 27