Calculate the Greatest Common Factor or GCF of 2390
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The instructions to find the GCF of 2390 are the next:
1. Decompose all numbers into prime factors
2390 | 2 |
1195 | 5 |
239 | 239 |
1 |
2. Write all numbers as the product of its prime factors
Prime factors of 2390 | = | 2 . 5 . 239 |
3. Choose the common prime factors with the lowest exponent
Common prime factors: 2 , 5 , 239
Common prime factors with the lowest exponent: 21, 51, 2391
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. 51. 2391 = 2390
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