Q: What are the prime factors of the number 877,488?

 A: 2, 3, 101, 181

Why are those the prime factors of the number 877,488?

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 877,488

877,488
Factor Arrows
2438,744
Factor Arrows
2219,372
Factor Arrows
2109,686
Factor Arrows
254,843
Factor Arrows
318,281
Factor Arrows
101181

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, 101, 181

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 101 x 181 = 877,488

This can also be written as 24 x 31 x 1011 x 1811 = 877,488

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


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