Q: What are the prime factors of the number 807,000?

 A: 2, 3, 5, 269

Why are those the prime factors of the number 807,000?

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 807,000

807,000
Factor Arrows
2403,500
Factor Arrows
2201,750
Factor Arrows
2100,875
Factor Arrows
333,625
Factor Arrows
56,725
Factor Arrows
51,345
Factor Arrows
5269

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, 5, 269

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 5 x 5 x 5 x 269 = 807,000

This can also be written as 23 x 31 x 53 x 2691 = 807,000

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


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