Q: What are the prime factors of the number 404,762,424?

 A: 2, 3, 11, 12671

Why are those the prime factors of the number 404,762,424?

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 404,762,424

404,762,424
Factor Arrows
2202,381,212
Factor Arrows
2101,190,606
Factor Arrows
250,595,303
Factor Arrows
316,865,101
Factor Arrows
111,533,191
Factor Arrows
11139,381
Factor Arrows
1112,671

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, 11, 12671

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 11 x 11 x 11 x 12,671 = 404,762,424

This can also be written as 23 x 31 x 113 x 12,6711 = 404,762,424

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


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