Q: What are the prime factors of the number 703,703,744?

 A: 2, 2153, 5107

Why are those the prime factors of the number 703,703,744?

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 703,703,744

703,703,744
Factor Arrows
2351,851,872
Factor Arrows
2175,925,936
Factor Arrows
287,962,968
Factor Arrows
243,981,484
Factor Arrows
221,990,742
Factor Arrows
210,995,371
Factor Arrows
2,1535,107

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, 2153, 5107

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 2,153 x 5,107 = 703,703,744

This can also be written as 26 x 2,1531 x 5,1071 = 703,703,744

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


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