Q: What are the prime factors of the number 446,531,400?

 A: 2, 3, 5, 7, 11813

Why are those the prime factors of the number 446,531,400?

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 446,531,400

446,531,400
Factor Arrows
2223,265,700
Factor Arrows
2111,632,850
Factor Arrows
255,816,425
Factor Arrows
318,605,475
Factor Arrows
36,201,825
Factor Arrows
32,067,275
Factor Arrows
5413,455
Factor Arrows
582,691
Factor Arrows
711,813

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, 7, 11813

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 3 x 5 x 5 x 7 x 11,813 = 446,531,400

This can also be written as 23 x 33 x 52 x 71 x 11,8131 = 446,531,400

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


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