Q: What are the prime factors of the number 3,439,680?

 A: 2, 3, 5, 3583

Why are those the prime factors of the number 3,439,680?

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 3,439,680

3,439,680
Factor Arrows
21,719,840
Factor Arrows
2859,920
Factor Arrows
2429,960
Factor Arrows
2214,980
Factor Arrows
2107,490
Factor Arrows
253,745
Factor Arrows
317,915
Factor Arrows
53,583

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, 3583

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 3 x 5 x 3,583 = 3,439,680

This can also be written as 26 x 31 x 51 x 3,5831 = 3,439,680

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


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