Q: What are the prime factors of the number 531,820,688?

 A: 2, 7, 4748399

Why are those the prime factors of the number 531,820,688?

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 531,820,688

531,820,688
Factor Arrows
2265,910,344
Factor Arrows
2132,955,172
Factor Arrows
266,477,586
Factor Arrows
233,238,793
Factor Arrows
74,748,399

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, 7, 4748399

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 7 x 4,748,399 = 531,820,688

This can also be written as 24 x 71 x 4,748,3991 = 531,820,688

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


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