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You need at least two numbers to find a GCF.
100 and 200 have a GCF of 100.
GCF(83, 100) = 1. The numbers are coprime.
To find the mean of the numbers 100, 145, 124, 136, 145, and 130, first add them together: 100 + 145 + 124 + 136 + 145 + 130 = 780. Then, divide the sum by the total number of values, which is 6: 780 ÷ 6 = 130. Therefore, the mean of these numbers is 130.
The GCF of these numbers is 1.
the GCF of 145 and 174 is 29.
The GCF of all the composite numbers under 100 is 1. For e.g 4 & 9 are composite numbers & their GCF is 1, so if we take other composite numbers along with 4 & 9 the GCF will be 1.
The GCF of those numbers is 1. I don't know what the GCS is.
You need at least two numbers to find a GCF.
20 and 100.GCF is 20, and LCM is 100.
GCF(105, 145, 189) = 1: the three are coprime.
The GCF of all three numbers is 20 !