Calculate the Greatest Common Factor or GCF of 1443
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The instructions to find the GCF of 1443 are the next:
1. Decompose all numbers into prime factors
1443 | 3 |
481 | 13 |
37 | 37 |
1 |
2. Write all numbers as the product of its prime factors
Prime factors of 1443 | = | 3 . 13 . 37 |
3. Choose the common prime factors with the lowest exponent
Common prime factors: 3 , 13 , 37
Common prime factors with the lowest exponent: 31, 131, 371
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 = 31. 131. 371 = 1443
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