Q: What are the prime factors of the number 971,392?

 A: 2, 7589

Why are those the prime factors of the number 971,392?

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 971,392

971,392
Factor Arrows
2485,696
Factor Arrows
2242,848
Factor Arrows
2121,424
Factor Arrows
260,712
Factor Arrows
230,356
Factor Arrows
215,178
Factor Arrows
27,589

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, 7589

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 7,589 = 971,392

This can also be written as 27 x 7,5891 = 971,392

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


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