Too easy, 30
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The largest number that goes into 150, 160, and 255 is 5.
The GCF is 10.
The LCM of 45, 120 and 150 is 1800.
It is 30
To find the greatest common factor, or GCF, you must first identify the factors for each number.For 150, its factors are 1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, and 150.For 225, its factors are 1, 3, 5, 9, 15, 25, 45, 75, and 225.75 is the highest (or greatest) factor they have in common, so the GCF for 150 and 225 is 75