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Calculate the Greatest Common Factor or GCF of 1115

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The instructions to find the GCF of 1115 are the next:

1. Decompose all numbers into prime factors

11155
223223
1

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

Prime factors of 1115=5 . 223

3. Choose the common prime factors with the lowest exponent

Common prime factors: 5 , 223

Common prime factors with the lowest exponent: 51, 2231

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 = 51. 2231 = 1115


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