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Calculate the Greatest Common Factor or GCF of 51030

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The instructions to find the GCF of 51030 are the next:

1. Decompose all numbers into prime factors

510302
255153
85053
28353
9453
3153
1053
355
77
1

2. Write all numbers as the product of its prime factors

Prime factors of 51030=2 . 36 . 5 . 7

3. Choose the common prime factors with the lowest exponent

Common prime factors: 2 , 3 , 5 , 7

Common prime factors with the lowest exponent: 21, 36, 51, 71

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 = 21. 36. 51. 71 = 51030


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