Q: What are the prime factors of the number 87,287,554?

 A: 2, 17, 47, 54623

Why are those the prime factors of the number 87,287,554?

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 87,287,554

87,287,554
Factor Arrows
243,643,777
Factor Arrows
172,567,281
Factor Arrows
4754,623

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, 17, 47, 54623

We can check our work by multiplying all of the prime factors together: 2 x 17 x 47 x 54,623 = 87,287,554

This can also be written as 21 x 171 x 471 x 54,6231 = 87,287,554

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


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