Q: What are the prime factors of the number 1,056,800?

 A: 2, 5, 1321

Why are those the prime factors of the number 1,056,800?

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 1,056,800

1,056,800
Factor Arrows
2528,400
Factor Arrows
2264,200
Factor Arrows
2132,100
Factor Arrows
266,050
Factor Arrows
233,025
Factor Arrows
56,605
Factor Arrows
51,321

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, 1321

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 5 x 1,321 = 1,056,800

This can also be written as 25 x 52 x 1,3211 = 1,056,800

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


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