Q: What are the prime factors of the number 455,413,356?

 A: 2, 3, 19, 89, 7481

Why are those the prime factors of the number 455,413,356?

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 455,413,356

455,413,356
Factor Arrows
2227,706,678
Factor Arrows
2113,853,339
Factor Arrows
337,951,113
Factor Arrows
312,650,371
Factor Arrows
19665,809
Factor Arrows
897,481

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, 19, 89, 7481

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 19 x 89 x 7,481 = 455,413,356

This can also be written as 22 x 32 x 191 x 891 x 7,4811 = 455,413,356

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


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