Q: What are the prime factors of the number 12,048,504?

 A: 2, 3, 13, 23, 73

Why are those the prime factors of the number 12,048,504?

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 12,048,504

12,048,504
Factor Arrows
26,024,252
Factor Arrows
23,012,126
Factor Arrows
21,506,063
Factor Arrows
3502,021
Factor Arrows
1338,617
Factor Arrows
231,679
Factor Arrows
2373

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, 13, 23, 73

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 13 x 23 x 23 x 73 = 12,048,504

This can also be written as 23 x 31 x 131 x 232 x 731 = 12,048,504

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


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