Q: What are the prime factors of the number 4,312,539?

 A: 3, 7, 11, 127

Why are those the prime factors of the number 4,312,539?

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 4,312,539

4,312,539
Factor Arrows
31,437,513
Factor Arrows
3479,171
Factor Arrows
768,453
Factor Arrows
79,779
Factor Arrows
71,397
Factor Arrows
11127

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:

3, 7, 11, 127

We can check our work by multiplying all of the prime factors together: 3 x 3 x 7 x 7 x 7 x 11 x 127 = 4,312,539

This can also be written as 32 x 73 x 111 x 1271 = 4,312,539

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


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