Q: What are the prime factors of the number 1,021,032?

 A: 2, 3, 29, 163

Why are those the prime factors of the number 1,021,032?

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 1,021,032

1,021,032
Factor Arrows
2510,516
Factor Arrows
2255,258
Factor Arrows
2127,629
Factor Arrows
342,543
Factor Arrows
314,181
Factor Arrows
34,727
Factor Arrows
29163

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, 29, 163

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 3 x 29 x 163 = 1,021,032

This can also be written as 23 x 33 x 291 x 1631 = 1,021,032

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


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