Q: What are the prime factors of the number 4,565,568?

 A: 2, 3, 7, 43, 79

Why are those the prime factors of the number 4,565,568?

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 4,565,568

4,565,568
Factor Arrows
22,282,784
Factor Arrows
21,141,392
Factor Arrows
2570,696
Factor Arrows
2285,348
Factor Arrows
2142,674
Factor Arrows
271,337
Factor Arrows
323,779
Factor Arrows
73,397
Factor Arrows
4379

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, 43, 79

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 3 x 7 x 43 x 79 = 4,565,568

This can also be written as 26 x 31 x 71 x 431 x 791 = 4,565,568

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


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