Q: What are the prime factors of the number 626,048?

 A: 2, 67, 73

Why are those the prime factors of the number 626,048?

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 626,048

626,048
Factor Arrows
2313,024
Factor Arrows
2156,512
Factor Arrows
278,256
Factor Arrows
239,128
Factor Arrows
219,564
Factor Arrows
29,782
Factor Arrows
24,891
Factor Arrows
6773

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, 67, 73

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 2 x 67 x 73 = 626,048

This can also be written as 27 x 671 x 731 = 626,048

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


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