Q: What are the prime factors of the number 12,453,504?

 A: 2, 3, 7, 41, 113

Why are those the prime factors of the number 12,453,504?

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 12,453,504

12,453,504
Factor Arrows
26,226,752
Factor Arrows
23,113,376
Factor Arrows
21,556,688
Factor Arrows
2778,344
Factor Arrows
2389,172
Factor Arrows
2194,586
Factor Arrows
297,293
Factor Arrows
332,431
Factor Arrows
74,633
Factor Arrows
41113

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, 7, 41, 113

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 7 x 41 x 113 = 12,453,504

This can also be written as 27 x 31 x 71 x 411 x 1131 = 12,453,504

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


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