Q: What are the prime factors of the number 457,483,400?

 A: 2, 5, 11, 207947

Why are those the prime factors of the number 457,483,400?

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 457,483,400

457,483,400
Factor Arrows
2228,741,700
Factor Arrows
2114,370,850
Factor Arrows
257,185,425
Factor Arrows
511,437,085
Factor Arrows
52,287,417
Factor Arrows
11207,947

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, 5, 11, 207947

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 5 x 11 x 207,947 = 457,483,400

This can also be written as 23 x 52 x 111 x 207,9471 = 457,483,400

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


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