Q: What are the prime factors of the number 1,730,862?

 A: 2, 3, 7, 19, 241

Why are those the prime factors of the number 1,730,862?

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 1,730,862

1,730,862
Factor Arrows
2865,431
Factor Arrows
3288,477
Factor Arrows
396,159
Factor Arrows
332,053
Factor Arrows
74,579
Factor Arrows
19241

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, 19, 241

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 7 x 19 x 241 = 1,730,862

This can also be written as 21 x 33 x 71 x 191 x 2411 = 1,730,862

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


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