Q: What are the prime factors of the number 862,050?

 A: 2, 3, 5, 7, 821

Why are those the prime factors of the number 862,050?

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 862,050

862,050
Factor Arrows
2431,025
Factor Arrows
3143,675
Factor Arrows
528,735
Factor Arrows
55,747
Factor Arrows
7821

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, 7, 821

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 5 x 7 x 821 = 862,050

This can also be written as 21 x 31 x 52 x 71 x 8211 = 862,050

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


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