Q: What are the prime factors of the number 726,250,824?

 A: 2, 3, 13, 59, 13151

Why are those the prime factors of the number 726,250,824?

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 726,250,824

726,250,824
Factor Arrows
2363,125,412
Factor Arrows
2181,562,706
Factor Arrows
290,781,353
Factor Arrows
330,260,451
Factor Arrows
310,086,817
Factor Arrows
13775,909
Factor Arrows
5913,151

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, 13, 59, 13151

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 13 x 59 x 13,151 = 726,250,824

This can also be written as 23 x 32 x 131 x 591 x 13,1511 = 726,250,824

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


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