Q: What are the prime factors of the number 499,144?

 A: 2, 43, 1451

Why are those the prime factors of the number 499,144?

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 499,144

499,144
Factor Arrows
2249,572
Factor Arrows
2124,786
Factor Arrows
262,393
Factor Arrows
431,451

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, 43, 1451

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 43 x 1,451 = 499,144

This can also be written as 23 x 431 x 1,4511 = 499,144

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


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