Q: What are the prime factors of the number 2,666,624?

 A: 2, 83, 251

Why are those the prime factors of the number 2,666,624?

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 2,666,624

2,666,624
Factor Arrows
21,333,312
Factor Arrows
2666,656
Factor Arrows
2333,328
Factor Arrows
2166,664
Factor Arrows
283,332
Factor Arrows
241,666
Factor Arrows
220,833
Factor Arrows
83251

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, 83, 251

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 83 x 251 = 2,666,624

This can also be written as 27 x 831 x 2511 = 2,666,624

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


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