Q: What are the prime factors of the number 448,056?

 A: 2, 3, 7, 127

Why are those the prime factors of the number 448,056?

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 448,056

448,056
Factor Arrows
2224,028
Factor Arrows
2112,014
Factor Arrows
256,007
Factor Arrows
318,669
Factor Arrows
36,223
Factor Arrows
7889
Factor Arrows
7127

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, 7, 127

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 7 x 7 x 127 = 448,056

This can also be written as 23 x 32 x 72 x 1271 = 448,056

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


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