Q: What are the prime factors of the number 498,960?

 A: 2, 3, 5, 7, 11

Why are those the prime factors of the number 498,960?

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 498,960

498,960
Factor Arrows
2249,480
Factor Arrows
2124,740
Factor Arrows
262,370
Factor Arrows
231,185
Factor Arrows
310,395
Factor Arrows
33,465
Factor Arrows
31,155
Factor Arrows
3385
Factor Arrows
577
Factor Arrows
711

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, 5, 7, 11

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 3 x 3 x 5 x 7 x 11 = 498,960

This can also be written as 24 x 34 x 51 x 71 x 111 = 498,960

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


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