Q: What are the prime factors of the number 478,352,732?

 A: 2, 11, 13, 17, 49193

Why are those the prime factors of the number 478,352,732?

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 478,352,732

478,352,732
Factor Arrows
2239,176,366
Factor Arrows
2119,588,183
Factor Arrows
1110,871,653
Factor Arrows
13836,281
Factor Arrows
1749,193

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, 11, 13, 17, 49193

We can check our work by multiplying all of the prime factors together: 2 x 2 x 11 x 13 x 17 x 49,193 = 478,352,732

This can also be written as 22 x 111 x 131 x 171 x 49,1931 = 478,352,732

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


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