Calculate the Greatest Common Factor or GCF of 52 and 2144
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The instructions to find the GCF of 52 and 2144 are the next:
1. Decompose all numbers into prime factors
52 | 2 |
26 | 2 |
13 | 13 |
1 |
2144 | 2 |
1072 | 2 |
536 | 2 |
268 | 2 |
134 | 2 |
67 | 67 |
1 |
2. Write all numbers as the product of its prime factors
Prime factors of 52 | = | 22 . 13 |
Prime factors of 2144 | = | 25 . 67 |
3. Choose the common prime factors with the lowest exponent
Common prime factors: 2
Common prime factors with the lowest exponent: 22
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 = 22 = 4
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