Q: What are the prime factors of the number 9,274,986?

 A: 2, 3, 7, 8179

Why are those the prime factors of the number 9,274,986?

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 9,274,986

9,274,986
Factor Arrows
24,637,493
Factor Arrows
31,545,831
Factor Arrows
3515,277
Factor Arrows
3171,759
Factor Arrows
357,253
Factor Arrows
78,179

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, 8179

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 7 x 8,179 = 9,274,986

This can also be written as 21 x 34 x 71 x 8,1791 = 9,274,986

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


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