Q: What are the prime factors of the number 451,532,124?

 A: 2, 3, 229, 18257

Why are those the prime factors of the number 451,532,124?

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 451,532,124

451,532,124
Factor Arrows
2225,766,062
Factor Arrows
2112,883,031
Factor Arrows
337,627,677
Factor Arrows
312,542,559
Factor Arrows
34,180,853
Factor Arrows
22918,257

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, 229, 18257

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 229 x 18,257 = 451,532,124

This can also be written as 22 x 33 x 2291 x 18,2571 = 451,532,124

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


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