Q: What are the prime factors of the number 958,272?

 A: 2, 3, 7, 23, 31

Why are those the prime factors of the number 958,272?

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 958,272

958,272
Factor Arrows
2479,136
Factor Arrows
2239,568
Factor Arrows
2119,784
Factor Arrows
259,892
Factor Arrows
229,946
Factor Arrows
214,973
Factor Arrows
34,991
Factor Arrows
7713
Factor Arrows
2331

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, 7, 23, 31

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 3 x 7 x 23 x 31 = 958,272

This can also be written as 26 x 31 x 71 x 231 x 311 = 958,272

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


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