Q: What are the prime factors of the number 867,258?

 A: 2, 3, 7, 6883

Why are those the prime factors of the number 867,258?

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 867,258

867,258
Factor Arrows
2433,629
Factor Arrows
3144,543
Factor Arrows
348,181
Factor Arrows
76,883

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, 7, 6883

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 7 x 6,883 = 867,258

This can also be written as 21 x 32 x 71 x 6,8831 = 867,258

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


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