Q: What are the prime factors of the number 404,423,228?

 A: 2, 11, 9191437

Why are those the prime factors of the number 404,423,228?

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 404,423,228

404,423,228
Factor Arrows
2202,211,614
Factor Arrows
2101,105,807
Factor Arrows
119,191,437

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, 11, 9191437

We can check our work by multiplying all of the prime factors together: 2 x 2 x 11 x 9,191,437 = 404,423,228

This can also be written as 22 x 111 x 9,191,4371 = 404,423,228

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


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