HCF of 2781 and 1242
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The instructions to find the GCF of 1242 and 2781 are the next:
1. Decompose all numbers into prime factors
124226213207369323231 27813927330931031031
2. Write all numbers as the product of its prime factors
Prime factors of 1242=2 . 33 . 23Prime factors of 2781=33 . 103
3. Choose the common prime factors with the lowest exponent
Common prime factors: 3
Common prime factors with the lowest exponent: 33
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 = 33 = 27
1. Decompose all numbers into prime factors
124226213207369323231 27813927330931031031
2. Write all numbers as the product of its prime factors
Prime factors of 1242=2 . 33 . 23Prime factors of 2781=33 . 103
3. Choose the common prime factors with the lowest exponent
Common prime factors: 3
Common prime factors with the lowest exponent: 33
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 = 33 = 27
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