Q: What are the prime factors of the number 736,323,534?

 A: 2, 3, 71, 2371

Why are those the prime factors of the number 736,323,534?

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 736,323,534

736,323,534
Factor Arrows
2368,161,767
Factor Arrows
3122,720,589
Factor Arrows
340,906,863
Factor Arrows
313,635,621
Factor Arrows
34,545,207
Factor Arrows
31,515,069
Factor Arrows
3505,023
Factor Arrows
3168,341
Factor Arrows
712,371

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, 71, 2371

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 3 x 3 x 3 x 71 x 2,371 = 736,323,534

This can also be written as 21 x 37 x 711 x 2,3711 = 736,323,534

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


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