Q: What are the prime factors of the number 3,451,900?

 A: 2, 5, 34519

Why are those the prime factors of the number 3,451,900?

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 3,451,900

3,451,900
Factor Arrows
21,725,950
Factor Arrows
2862,975
Factor Arrows
5172,595
Factor Arrows
534,519

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, 5, 34519

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 5 x 34,519 = 3,451,900

This can also be written as 22 x 52 x 34,5191 = 3,451,900

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


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