Q: What are the prime factors of the number 490,880?

 A: 2, 5, 13, 59

Why are those the prime factors of the number 490,880?

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 490,880

490,880
Factor Arrows
2245,440
Factor Arrows
2122,720
Factor Arrows
261,360
Factor Arrows
230,680
Factor Arrows
215,340
Factor Arrows
27,670
Factor Arrows
23,835
Factor Arrows
5767
Factor Arrows
1359

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, 13, 59

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 13 x 59 = 490,880

This can also be written as 27 x 51 x 131 x 591 = 490,880

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


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