Q: What are the prime factors of the number 422,342,536?

 A: 2, 7, 11, 685621

Why are those the prime factors of the number 422,342,536?

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 422,342,536

422,342,536
Factor Arrows
2211,171,268
Factor Arrows
2105,585,634
Factor Arrows
252,792,817
Factor Arrows
77,541,831
Factor Arrows
11685,621

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, 685621

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 7 x 11 x 685,621 = 422,342,536

This can also be written as 23 x 71 x 111 x 685,6211 = 422,342,536

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


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