Q: What are the prime factors of the number 974,512?

 A: 2, 7, 11, 113

Why are those the prime factors of the number 974,512?

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 974,512

974,512
Factor Arrows
2487,256
Factor Arrows
2243,628
Factor Arrows
2121,814
Factor Arrows
260,907
Factor Arrows
78,701
Factor Arrows
71,243
Factor Arrows
11113

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, 11, 113

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 7 x 7 x 11 x 113 = 974,512

This can also be written as 24 x 72 x 111 x 1131 = 974,512

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


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