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Calculate the Greatest Common Factor or GCF of 3720

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The instructions to find the GCF of 3720 are the next:

1. Decompose all numbers into prime factors

37202
18602
9302
4653
1555
3131
1

2. Write all numbers as the product of its prime factors

Prime factors of 3720=23 . 3 . 5 . 31

3. Choose the common prime factors with the lowest exponent

Common prime factors: 2 , 3 , 5 , 31

Common prime factors with the lowest exponent: 23, 31, 51, 311

4. Calculate the Greatest Common Factor or GCF

Remember, to find the GCF of several numbers you must multiply the common prime factors with the lowest exponent.

GCF = 23. 31. 51. 311 = 3720


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