Q: What are the prime factors of the number 5,530,880?

 A: 2, 5, 29, 149

Why are those the prime factors of the number 5,530,880?

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 5,530,880

5,530,880
Factor Arrows
22,765,440
Factor Arrows
21,382,720
Factor Arrows
2691,360
Factor Arrows
2345,680
Factor Arrows
2172,840
Factor Arrows
286,420
Factor Arrows
243,210
Factor Arrows
221,605
Factor Arrows
54,321
Factor Arrows
29149

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, 29, 149

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 2 x 5 x 29 x 149 = 5,530,880

This can also be written as 28 x 51 x 291 x 1491 = 5,530,880

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


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