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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 24 and 60 using a Division Ladder, you would find the answer thusly:

2 | 24, 60

, |_______

2 |12, 30

, |______

3| 6, 15

, |____

, 2, 5

You would be dividing by 2 and 3 in this case, then multiply your divisors, 2 x 2 x 3 = 12. Your Greatest Common Factor for 24 and 60 is 12. I used the commas for placeholders, as without them, the vertical lines don't line up.

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More answers

*)8,9,12

2)16,18,24

2)32,36,48

2)64,72,96

The GCF of 72, 96 and 64 is 2 x 2 x 2, or 8.

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9y ago
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Q: Use a division ladder to find the GCF of 24 and 60?
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