Q: What are the prime factors of the number 108,514,320?

 A: 2, 3, 5, 19, 53, 449

Why are those the prime factors of the number 108,514,320?

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 108,514,320

108,514,320
Factor Arrows
254,257,160
Factor Arrows
227,128,580
Factor Arrows
213,564,290
Factor Arrows
26,782,145
Factor Arrows
32,260,715
Factor Arrows
5452,143
Factor Arrows
1923,797
Factor Arrows
53449

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, 5, 19, 53, 449

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 5 x 19 x 53 x 449 = 108,514,320

This can also be written as 24 x 31 x 51 x 191 x 531 x 4491 = 108,514,320

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


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