Well, well, well, look who's trying to flex their math muscles. The highest common factor of 51 and 111 is 3. So there you have it, honey, 3 is the magic number that can divide both 51 and 111 without leaving a pesky remainder. Math problem solved, next!
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The factors of 51 are 3 and 17. The factors of 11 are 3 and 37. Therefore, the highest common factor is 3.
The highest common factor is 3
GCF of 21 and 51 is 3.21=3*751=3*17
They are 1 and 3
The greatest number which divides both 51 and 85 is 17. So, greatest common factor is 17.Alternate method:P.F. of 51 = 3x17P.F. of 85 = 5x17Clearly, from the P.F. of both numbers 17 is the greatest common factor.The GCF is 17.51 and 85's highest common factor is 17.