Q: What are the prime factors of the number 22,357,504?

 A: 2, 13, 3359

Why are those the prime factors of the number 22,357,504?

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 22,357,504

22,357,504
Factor Arrows
211,178,752
Factor Arrows
25,589,376
Factor Arrows
22,794,688
Factor Arrows
21,397,344
Factor Arrows
2698,672
Factor Arrows
2349,336
Factor Arrows
2174,668
Factor Arrows
287,334
Factor Arrows
243,667
Factor Arrows
133,359

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, 13, 3359

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 2 x 2 x 13 x 3,359 = 22,357,504

This can also be written as 29 x 131 x 3,3591 = 22,357,504

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


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