Q: What are the prime factors of the number 442,031,232?

 A: 2, 3, 31, 71, 523

Why are those the prime factors of the number 442,031,232?

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 442,031,232

442,031,232
Factor Arrows
2221,015,616
Factor Arrows
2110,507,808
Factor Arrows
255,253,904
Factor Arrows
227,626,952
Factor Arrows
213,813,476
Factor Arrows
26,906,738
Factor Arrows
23,453,369
Factor Arrows
31,151,123
Factor Arrows
3137,133
Factor Arrows
71523

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, 31, 71, 523

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 3 x 31 x 71 x 523 = 442,031,232

This can also be written as 27 x 31 x 311 x 711 x 5231 = 442,031,232

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


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