You should find either the Least Common Multiple or the Greatest Common Factor.
Here, LCM 12= 1X2x2x3; 7=1x7 LCM is 2x2x3x7 the most any of the prime factors were used in either number. 84
GCF= 1 the least factor factors in both numbers.
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This cannot be answered because the common multiples of any two or more numbers are infinite.
The Least Common Multiple (LCM) for 6 7 12 is 84.
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.
The greatest common multiple of 7 and 15, like any two numbers, is infinite.The lowest common multiple, the smallest number into which both 7 and 15 divide, is 105The greatest common factor, the largest number which divides both 7 and 15, is 1.
There is no answer.
Don't you mean least common multiple? The least common multiple is 210.