Q: What are the prime factors of the number 3,435,488?

 A: 2, 7, 313

Why are those the prime factors of the number 3,435,488?

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 3,435,488

3,435,488
Factor Arrows
21,717,744
Factor Arrows
2858,872
Factor Arrows
2429,436
Factor Arrows
2214,718
Factor Arrows
2107,359
Factor Arrows
715,337
Factor Arrows
72,191
Factor Arrows
7313

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, 7, 313

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 7 x 7 x 7 x 313 = 3,435,488

This can also be written as 25 x 73 x 3131 = 3,435,488

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


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