Q: What are the prime factors of the number 45,031,425?

 A: 3, 5, 19, 31601

Why are those the prime factors of the number 45,031,425?

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 45,031,425

45,031,425
Factor Arrows
315,010,475
Factor Arrows
53,002,095
Factor Arrows
5600,419
Factor Arrows
1931,601

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, 19, 31601

We can check our work by multiplying all of the prime factors together: 3 x 5 x 5 x 19 x 31,601 = 45,031,425

This can also be written as 31 x 52 x 191 x 31,6011 = 45,031,425

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


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