Q: What are the prime factors of the number 553,760?

 A: 2, 5, 3461

Why are those the prime factors of the number 553,760?

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 553,760

553,760
Factor Arrows
2276,880
Factor Arrows
2138,440
Factor Arrows
269,220
Factor Arrows
234,610
Factor Arrows
217,305
Factor Arrows
53,461

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, 3461

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 5 x 3,461 = 553,760

This can also be written as 25 x 51 x 3,4611 = 553,760

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


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