Q: What are the prime factors of the number 404,544,258?

 A: 2, 3, 29, 43, 67, 269

Why are those the prime factors of the number 404,544,258?

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 404,544,258

404,544,258
Factor Arrows
2202,272,129
Factor Arrows
367,424,043
Factor Arrows
322,474,681
Factor Arrows
29774,989
Factor Arrows
4318,023
Factor Arrows
67269

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, 29, 43, 67, 269

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 29 x 43 x 67 x 269 = 404,544,258

This can also be written as 21 x 32 x 291 x 431 x 671 x 2691 = 404,544,258

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


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