Q: What are the prime factors of the number 455,232,210?

 A: 2, 3, 5, 19, 31, 25763

Why are those the prime factors of the number 455,232,210?

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 455,232,210

455,232,210
Factor Arrows
2227,616,105
Factor Arrows
375,872,035
Factor Arrows
515,174,407
Factor Arrows
19798,653
Factor Arrows
3125,763

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, 5, 19, 31, 25763

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 19 x 31 x 25,763 = 455,232,210

This can also be written as 21 x 31 x 51 x 191 x 311 x 25,7631 = 455,232,210

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


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