69
3, 23
Note: 23 is a Prime number
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The highest common factor of the numbers 65, 156 and 169 is 13.
No, 13 is not a factor of 179. One way to tell is to divide 179 by 13, the quotient is not a whole number, so it is not a factor. Another way to tell is to see that 13 times thirteen is 169, so if 179 were a factor it would be 13 away from 169. Since 179 minus 169 is 10, 179 is not a factor.
GCF(52, 156, 169) = 13.
The GCF of 52, 143, and 169 is 13.
The GCF is 13. 39=13*3 169=13*13