Q: What are the prime factors of the number 9,346,428?

 A: 2, 3, 7, 13, 317

Why are those the prime factors of the number 9,346,428?

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 9,346,428

9,346,428
Factor Arrows
24,673,214
Factor Arrows
22,336,607
Factor Arrows
3778,869
Factor Arrows
3259,623
Factor Arrows
386,541
Factor Arrows
328,847
Factor Arrows
74,121
Factor Arrows
13317

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, 13, 317

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 3 x 7 x 13 x 317 = 9,346,428

This can also be written as 22 x 34 x 71 x 131 x 3171 = 9,346,428

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


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