Q: What are the prime factors of the number 460,416?

 A: 2, 3, 11, 109

Why are those the prime factors of the number 460,416?

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 460,416

460,416
Factor Arrows
2230,208
Factor Arrows
2115,104
Factor Arrows
257,552
Factor Arrows
228,776
Factor Arrows
214,388
Factor Arrows
27,194
Factor Arrows
23,597
Factor Arrows
31,199
Factor Arrows
11109

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, 109

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 2 x 3 x 11 x 109 = 460,416

This can also be written as 27 x 31 x 111 x 1091 = 460,416

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


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