Q: What are the prime factors of the number 53,171,584?

 A: 2, 23, 18061

Why are those the prime factors of the number 53,171,584?

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 53,171,584

53,171,584
Factor Arrows
226,585,792
Factor Arrows
213,292,896
Factor Arrows
26,646,448
Factor Arrows
23,323,224
Factor Arrows
21,661,612
Factor Arrows
2830,806
Factor Arrows
2415,403
Factor Arrows
2318,061

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, 23, 18061

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 23 x 18,061 = 53,171,584

This can also be written as 27 x 231 x 18,0611 = 53,171,584

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


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