Q: What are the prime factors of the number 38,282,638?

 A: 2, 89, 449, 479

Why are those the prime factors of the number 38,282,638?

Prime factors are the prime numbers that can be multipled together to equal the original number. You find the factors by dividing by prime numbers. It is best shown by creating a Factor Tree.

Factor Tree for the number 38,282,638

38,282,638
Factor Arrows
219,141,319
Factor Arrows
89215,071
Factor Arrows
449479

The numbers in bold above are the prime factors. If there are multiples, you only count them one time. This leads us to our prime factors of:

2, 89, 449, 479

We can check our work by multiplying all of the prime factors together: 2 x 89 x 449 x 479 = 38,282,638

This can also be written as 21 x 891 x 4491 x 4791 = 38,282,638

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


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