Q: What are the prime factors of the number 971,875?

 A: 5, 311

Why are those the prime factors of the number 971,875?

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 971,875

971,875
Factor Arrows
5194,375
Factor Arrows
538,875
Factor Arrows
57,775
Factor Arrows
51,555
Factor Arrows
5311

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:

5, 311

We can check our work by multiplying all of the prime factors together: 5 x 5 x 5 x 5 x 5 x 311 = 971,875

This can also be written as 55 x 3111 = 971,875

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


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