Factor out both of them, and that should tell you.
63 = 7 X 3 X 3
294 = 7 X 7 X 3 X 2
Answer: 7, 3, 21, 1
The GCF for 63 109 294 is 1.
The greatest common factor of the numbers 63, 105 and 294 is 21.
8.1667
294
The common factors of 63 and 49 are 1 and 7.
98
80 divided by 294 is ~0.272108843537
63
73.5
294 divided by 2
267.2727
294