Calculate the Greatest Common Factor or GCF of 1219
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The instructions to find the GCF of 1219 are the next:
1. Decompose all numbers into prime factors
1219 | 23 |
53 | 53 |
1 |
2. Write all numbers as the product of its prime factors
Prime factors of 1219 | = | 23 . 53 |
3. Choose the common prime factors with the lowest exponent
Common prime factors: 23 , 53
Common prime factors with the lowest exponent: 231, 531
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 = 231. 531 = 1219
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