Q: What are the prime factors of the number 812,055,424?

 A: 2, 61, 104003

Why are those the prime factors of the number 812,055,424?

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 812,055,424

812,055,424
Factor Arrows
2406,027,712
Factor Arrows
2203,013,856
Factor Arrows
2101,506,928
Factor Arrows
250,753,464
Factor Arrows
225,376,732
Factor Arrows
212,688,366
Factor Arrows
26,344,183
Factor Arrows
61104,003

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, 61, 104003

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 61 x 104,003 = 812,055,424

This can also be written as 27 x 611 x 104,0031 = 812,055,424

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


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