Q: What are the prime factors of the number 425,005,430?

 A: 2, 5, 113, 457, 823

Why are those the prime factors of the number 425,005,430?

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 425,005,430

425,005,430
Factor Arrows
2212,502,715
Factor Arrows
542,500,543
Factor Arrows
113376,111
Factor Arrows
457823

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, 113, 457, 823

We can check our work by multiplying all of the prime factors together: 2 x 5 x 113 x 457 x 823 = 425,005,430

This can also be written as 21 x 51 x 1131 x 4571 x 8231 = 425,005,430

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


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