Q: What are the prime factors of the number 553,400?

 A: 2, 5, 2767

Why are those the prime factors of the number 553,400?

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 553,400

553,400
Factor Arrows
2276,700
Factor Arrows
2138,350
Factor Arrows
269,175
Factor Arrows
513,835
Factor Arrows
52,767

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, 5, 2767

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 5 x 2,767 = 553,400

This can also be written as 23 x 52 x 2,7671 = 553,400

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


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