Q: What are the prime factors of the number 425,145,504?

 A: 2, 3, 7, 59, 10723

Why are those the prime factors of the number 425,145,504?

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 425,145,504

425,145,504
Factor Arrows
2212,572,752
Factor Arrows
2106,286,376
Factor Arrows
253,143,188
Factor Arrows
226,571,594
Factor Arrows
213,285,797
Factor Arrows
34,428,599
Factor Arrows
7632,657
Factor Arrows
5910,723

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, 3, 7, 59, 10723

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 7 x 59 x 10,723 = 425,145,504

This can also be written as 25 x 31 x 71 x 591 x 10,7231 = 425,145,504

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


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