Q: What are the prime factors of the number 425,364,225?

 A: 3, 5, 11, 13, 17, 2333

Why are those the prime factors of the number 425,364,225?

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 425,364,225

425,364,225
Factor Arrows
3141,788,075
Factor Arrows
528,357,615
Factor Arrows
55,671,523
Factor Arrows
11515,593
Factor Arrows
1339,661
Factor Arrows
172,333

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, 11, 13, 17, 2333

We can check our work by multiplying all of the prime factors together: 3 x 5 x 5 x 11 x 13 x 17 x 2,333 = 425,364,225

This can also be written as 31 x 52 x 111 x 131 x 171 x 2,3331 = 425,364,225

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


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