Q: What are the prime factors of the number 3,474,560?

 A: 2, 5, 61, 89

Why are those the prime factors of the number 3,474,560?

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 3,474,560

3,474,560
Factor Arrows
21,737,280
Factor Arrows
2868,640
Factor Arrows
2434,320
Factor Arrows
2217,160
Factor Arrows
2108,580
Factor Arrows
254,290
Factor Arrows
227,145
Factor Arrows
55,429
Factor Arrows
6189

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, 5, 61, 89

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 5 x 61 x 89 = 3,474,560

This can also be written as 27 x 51 x 611 x 891 = 3,474,560

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


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