Q: What are the prime factors of the number 452,614,656?

 A: 2, 3, 13, 19, 1193

Why are those the prime factors of the number 452,614,656?

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 452,614,656

452,614,656
Factor Arrows
2226,307,328
Factor Arrows
2113,153,664
Factor Arrows
256,576,832
Factor Arrows
228,288,416
Factor Arrows
214,144,208
Factor Arrows
27,072,104
Factor Arrows
23,536,052
Factor Arrows
21,768,026
Factor Arrows
2884,013
Factor Arrows
3294,671
Factor Arrows
1322,667
Factor Arrows
191,193

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, 19, 1193

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 2 x 2 x 3 x 13 x 19 x 1,193 = 452,614,656

This can also be written as 29 x 31 x 131 x 191 x 1,1931 = 452,614,656

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


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