The GCF is 80.
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The common multiples of 16 and 20 are 80, 160, 240, 320, 400, 480, 560, 640, and so on.
320, 640, 960, 1280, 1600, 1920 and so on.
The GCF is 30.
To find the greatest common factor of 240 and 320, we need to determine the largest number that divides both 240 and 320 without leaving a remainder. One way to find this is to list out the factors of each number and identify the largest one they have in common. The factors of 240 are 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, and 240. The factors of 320 are 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, and 320. The greatest common factor of 240 and 320 is 80.
3/4 of 320 is 240.