Q: What are the prime factors of the number 1,584,960?

 A: 2, 3, 5, 13, 127

Why are those the prime factors of the number 1,584,960?

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 1,584,960

1,584,960
Factor Arrows
2792,480
Factor Arrows
2396,240
Factor Arrows
2198,120
Factor Arrows
299,060
Factor Arrows
249,530
Factor Arrows
224,765
Factor Arrows
38,255
Factor Arrows
51,651
Factor Arrows
13127

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, 13, 127

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 13 x 127 = 1,584,960

This can also be written as 26 x 31 x 51 x 131 x 1271 = 1,584,960

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


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