Q: What are the prime factors of the number 46,843,456?

 A: 2, 11, 23, 263

Why are those the prime factors of the number 46,843,456?

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 46,843,456

46,843,456
Factor Arrows
223,421,728
Factor Arrows
211,710,864
Factor Arrows
25,855,432
Factor Arrows
22,927,716
Factor Arrows
21,463,858
Factor Arrows
2731,929
Factor Arrows
1166,539
Factor Arrows
116,049
Factor Arrows
23263

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, 11, 23, 263

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 11 x 11 x 23 x 263 = 46,843,456

This can also be written as 26 x 112 x 231 x 2631 = 46,843,456

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


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