prime factorizations:
2 = 1 x 2
5 = 1 x 5
7 = 1 x 7
so lowest common factor is 1.
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The lowest common factor can not be larger than the lowest common factor. If you mean LCM (Lowest Common Multiple) and not LCF, the numbers are 5 and 150.
The lowest common factor of 140, 150, and 180 is 10. To find the lowest common factor, you can first find the prime factors of each number (140 = 2^2 * 5 * 7, 150 = 2 * 3 * 5^2, 180 = 2^2 * 3^2 * 5). Then, identify the common prime factors and multiply them together. The highest common factor of these numbers is 10, as it is the largest number that can evenly divide all three numbers without leaving a remainder.
5* * * * *A pedantic amendment:5 is the Highest common factor. The lowest common factor for any set of postitive integers is always 1.
5
It is: 1