Q: What are the prime factors of the number 626,368?

 A: 2, 9787

Why are those the prime factors of the number 626,368?

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 626,368

626,368
Factor Arrows
2313,184
Factor Arrows
2156,592
Factor Arrows
278,296
Factor Arrows
239,148
Factor Arrows
219,574
Factor Arrows
29,787

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, 9787

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 9,787 = 626,368

This can also be written as 26 x 9,7871 = 626,368

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


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