Q: What are the prime factors of the number 425,623,424?

 A: 2, 17, 195599

Why are those the prime factors of the number 425,623,424?

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 425,623,424

425,623,424
Factor Arrows
2212,811,712
Factor Arrows
2106,405,856
Factor Arrows
253,202,928
Factor Arrows
226,601,464
Factor Arrows
213,300,732
Factor Arrows
26,650,366
Factor Arrows
23,325,183
Factor Arrows
17195,599

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, 17, 195599

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 17 x 195,599 = 425,623,424

This can also be written as 27 x 171 x 195,5991 = 425,623,424

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


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