Q: What are the prime factors of the number 20,014,560?

 A: 2, 3, 5, 41, 113

Why are those the prime factors of the number 20,014,560?

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 20,014,560

20,014,560
Factor Arrows
210,007,280
Factor Arrows
25,003,640
Factor Arrows
22,501,820
Factor Arrows
21,250,910
Factor Arrows
2625,455
Factor Arrows
3208,485
Factor Arrows
369,495
Factor Arrows
323,165
Factor Arrows
54,633
Factor Arrows
41113

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, 41, 113

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 3 x 3 x 5 x 41 x 113 = 20,014,560

This can also be written as 25 x 33 x 51 x 411 x 1131 = 20,014,560

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


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