Q: What are the prime factors of the number 497,984?

 A: 2, 31, 251

Why are those the prime factors of the number 497,984?

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 497,984

497,984
Factor Arrows
2248,992
Factor Arrows
2124,496
Factor Arrows
262,248
Factor Arrows
231,124
Factor Arrows
215,562
Factor Arrows
27,781
Factor Arrows
31251

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, 31, 251

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 31 x 251 = 497,984

This can also be written as 26 x 311 x 2511 = 497,984

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


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