Q: What are the prime factors of the number 447,045,048?

 A: 2, 3, 31, 66763

Why are those the prime factors of the number 447,045,048?

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 447,045,048

447,045,048
Factor Arrows
2223,522,524
Factor Arrows
2111,761,262
Factor Arrows
255,880,631
Factor Arrows
318,626,877
Factor Arrows
36,208,959
Factor Arrows
32,069,653
Factor Arrows
3166,763

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, 31, 66763

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 31 x 66,763 = 447,045,048

This can also be written as 23 x 33 x 311 x 66,7631 = 447,045,048

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


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