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the common multiple between 1 to 9 is... 9
The least common multiple of 9 and 25 is 1.
The least common multiple of two numbers is their product divided by their greatest common factor. Since 7 is a prime number and 27 is not a multiple of 7, their greatest common factor is 1. The least common multiple is 7 x 27 ÷ 1 = 189.
Any multiple of 9 is also a multiple of 1.
The Least Common Multiple (LCM) for 7 8 1 6 is 168.