Q: What are the prime factors of the number 2,695,920?

 A: 2, 3, 5, 47, 239

Why are those the prime factors of the number 2,695,920?

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 2,695,920

2,695,920
Factor Arrows
21,347,960
Factor Arrows
2673,980
Factor Arrows
2336,990
Factor Arrows
2168,495
Factor Arrows
356,165
Factor Arrows
511,233
Factor Arrows
47239

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, 47, 239

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 47 x 239 = 2,695,920

This can also be written as 24 x 31 x 51 x 471 x 2391 = 2,695,920

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


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