Q: What are the prime factors of the number 715,574,272?

 A: 2, 7, 99829

Why are those the prime factors of the number 715,574,272?

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 715,574,272

715,574,272
Factor Arrows
2357,787,136
Factor Arrows
2178,893,568
Factor Arrows
289,446,784
Factor Arrows
244,723,392
Factor Arrows
222,361,696
Factor Arrows
211,180,848
Factor Arrows
25,590,424
Factor Arrows
22,795,212
Factor Arrows
21,397,606
Factor Arrows
2698,803
Factor Arrows
799,829

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, 99829

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 x 2 x 2 x 2 x 7 x 99,829 = 715,574,272

This can also be written as 210 x 71 x 99,8291 = 715,574,272

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


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