Q: What are the prime factors of the number 2,685,987?

 A: 3, 53, 1877

Why are those the prime factors of the number 2,685,987?

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 2,685,987

2,685,987
Factor Arrows
3895,329
Factor Arrows
3298,443
Factor Arrows
399,481
Factor Arrows
531,877

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:

3, 53, 1877

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 53 x 1,877 = 2,685,987

This can also be written as 33 x 531 x 1,8771 = 2,685,987

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


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