Q: What are the prime factors of the number 744,872,800?

 A: 2, 5, 7, 133013

Why are those the prime factors of the number 744,872,800?

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 744,872,800

744,872,800
Factor Arrows
2372,436,400
Factor Arrows
2186,218,200
Factor Arrows
293,109,100
Factor Arrows
246,554,550
Factor Arrows
223,277,275
Factor Arrows
54,655,455
Factor Arrows
5931,091
Factor Arrows
7133,013

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, 5, 7, 133013

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 5 x 5 x 7 x 133,013 = 744,872,800

This can also be written as 25 x 52 x 71 x 133,0131 = 744,872,800

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


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