Q: What are the prime factors of the number 763,843,680?

 A: 2, 3, 5, 530447

Why are those the prime factors of the number 763,843,680?

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 763,843,680

763,843,680
Factor Arrows
2381,921,840
Factor Arrows
2190,960,920
Factor Arrows
295,480,460
Factor Arrows
247,740,230
Factor Arrows
223,870,115
Factor Arrows
37,956,705
Factor Arrows
32,652,235
Factor Arrows
5530,447

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, 5, 530447

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 3 x 5 x 530,447 = 763,843,680

This can also be written as 25 x 32 x 51 x 530,4471 = 763,843,680

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


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