Q: What are the prime factors of the number 320,134,150?

 A: 2, 5, 7, 41, 3187

Why are those the prime factors of the number 320,134,150?

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 320,134,150

320,134,150
Factor Arrows
2160,067,075
Factor Arrows
532,013,415
Factor Arrows
56,402,683
Factor Arrows
7914,669
Factor Arrows
7130,667
Factor Arrows
413,187

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, 41, 3187

We can check our work by multiplying all of the prime factors together: 2 x 5 x 5 x 7 x 7 x 41 x 3,187 = 320,134,150

This can also be written as 21 x 52 x 72 x 411 x 3,1871 = 320,134,150

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


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