6
1331
11. 121 = 112 55 = 5 x 11 143 = 11 x 13 hcf = 11
If you mean: 55, 77 and 132 then the hcf is 11
The HCF is 11
The greatest common factor of the numbers 55, 77 and 143 is 11.Common factors of 55: 1, 5, 11, and 55.Common factors of 77: 1, 7, 11, and 77.Common factors of 143: 1, 11, 13, and 143.So the greatest common factor is 11.
The GCF is 11.
11
11
It is: 11
The GCF is 1.
The GCF is 11.
You need at least two numbers to find a GCF. If that's 5 and 7, the GCF is 1.
It is: 11