The GCF is 1.
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The greatest common factor means the number that is the largest factor between two numbers. For example the greatest common factor of 4 and 6 is 2. 4 has factors of 1,2, and 4. 6 has factors of 1,2,3, and 6. You simply compare the factors of the two numbers and see what the highest number is that they both have.If you mean Greatest Common Factor (GCF):The GCF of 2 or more numbers is the greatest number that is a factor of the numbers. For example, the GCF of 18 and 12 would be 6, because that is the largest factor of 18 and 12.The greatest common factor, or GCF, is the largest integer that divides evenly into two or more given numbers with no remainder.
gcf(2, 5, 11) = 1.
Division Ladders are useful for finding Greatest Common Factors, also known as Greatest Common Divisors. If your math problem is to find the GCF of 32, 24 and 40 using a Division Ladder, you would find the answer thusly: 2 |32, 24, 40 , |_________ 2 |16, 12, 20 , |________ 2 | 8, 6, 10 , |________ , 4, 3, 5 You would be dividing by 2 in this case, then multiply your divisors, 2 x 2 x 2 = 8. Your Greatest Common Factor for 32, 24 and 40 is 8. I used the commas for placeholders, as without them, the vertical lines don't line up.
The greatest common factor of 12 and 24 is 12
16 is the greatest common factor between 128 and 432.