Their highest common factor which is 1
65-69 = -4
62
1, 5, 13, 65 1, 3, 23, 69
3 goes ito 69 (3 x 23= 69)
61
65 to 69
The GCF is 1.
It is the highest common factor of 390 and 65 which is 65
69
1, 3, 23, 69.
It is: 69
69.....what kind of question is that?