Calculate the Greatest Common Factor or GCF of 1205
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The instructions to find the GCF of 1205 are the next:
1. Decompose all numbers into prime factors
1205 | 5 |
241 | 241 |
1 |
2. Write all numbers as the product of its prime factors
Prime factors of 1205 | = | 5 . 241 |
3. Choose the common prime factors with the lowest exponent
Common prime factors: 5 , 241
Common prime factors with the lowest exponent: 51, 2411
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. 2411 = 1205
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