Q: What are the prime factors of the number 20,183,712?

 A: 2, 3, 210247

Why are those the prime factors of the number 20,183,712?

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 20,183,712

20,183,712
Factor Arrows
210,091,856
Factor Arrows
25,045,928
Factor Arrows
22,522,964
Factor Arrows
21,261,482
Factor Arrows
2630,741
Factor Arrows
3210,247

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, 210247

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 210,247 = 20,183,712

This can also be written as 25 x 31 x 210,2471 = 20,183,712

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


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