Q: What are the prime factors of the number 20,047,494?

 A: 2, 3, 269, 12421

Why are those the prime factors of the number 20,047,494?

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 20,047,494

20,047,494
Factor Arrows
210,023,747
Factor Arrows
33,341,249
Factor Arrows
26912,421

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, 269, 12421

We can check our work by multiplying all of the prime factors together: 2 x 3 x 269 x 12,421 = 20,047,494

This can also be written as 21 x 31 x 2691 x 12,4211 = 20,047,494

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


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