Q: What are the prime factors of the number 2,310,525?

 A: 3, 5, 7, 163

Why are those the prime factors of the number 2,310,525?

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 2,310,525

2,310,525
Factor Arrows
3770,175
Factor Arrows
3256,725
Factor Arrows
385,575
Factor Arrows
328,525
Factor Arrows
55,705
Factor Arrows
51,141
Factor Arrows
7163

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, 5, 7, 163

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 5 x 5 x 7 x 163 = 2,310,525

This can also be written as 34 x 52 x 71 x 1631 = 2,310,525

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


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