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Q: How do you use continuous division to find the GCF?

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The gcf is 3.

The GCF is 7.The LCM is 70.

It doesn't matter what method you use, you need at least two numbers to find a GCF.

It works out as 17

use division by primes to find the gcf

It is 3 because 9/3 = 3 and 12/4 = 3

The GCF is 1.

8

Basically, you repeatedly calculate the remainder of a division, and use it for the next step, with the smaller of the two original numbers. Here is an example: gcf(14, 10) = gcf(10, 4) (4 is the remainder of the division of 14 / 10). gcf (10, 4) = gcf(4, 2) (2 is the remainder of the division of 10 / 2). gcf (4, 2) = gcf(2, 0) (0 is the remainder of the division of 4 / 2). gcf(2, 0) = 2 (if one of the numbers is 0, the gcf is the other number).

The GCF of 10 and 15 is 5.

To start, factor 195 and 299 into prime factors: 195 = 3*5*13 299 = 13*23 13 is the only shared factor, so it is the GCF.

The GCF of 27 and 30 is 3.

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