Q: What are the prime factors of the number 13,152,312?

 A: 2, 3, 29, 6299

Why are those the prime factors of the number 13,152,312?

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 13,152,312

13,152,312
Factor Arrows
26,576,156
Factor Arrows
23,288,078
Factor Arrows
21,644,039
Factor Arrows
3548,013
Factor Arrows
3182,671
Factor Arrows
296,299

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, 29, 6299

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 29 x 6,299 = 13,152,312

This can also be written as 23 x 32 x 291 x 6,2991 = 13,152,312

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


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