Q: What are the prime factors of the number 1,553,856?

 A: 2, 3, 8093

Why are those the prime factors of the number 1,553,856?

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 1,553,856

1,553,856
Factor Arrows
2776,928
Factor Arrows
2388,464
Factor Arrows
2194,232
Factor Arrows
297,116
Factor Arrows
248,558
Factor Arrows
224,279
Factor Arrows
38,093

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, 3, 8093

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 3 x 8,093 = 1,553,856

This can also be written as 26 x 31 x 8,0931 = 1,553,856

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


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