Q: What are the prime factors of the number 546,448?

 A: 2, 7, 17, 41

Why are those the prime factors of the number 546,448?

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 546,448

546,448
Factor Arrows
2273,224
Factor Arrows
2136,612
Factor Arrows
268,306
Factor Arrows
234,153
Factor Arrows
74,879
Factor Arrows
7697
Factor Arrows
1741

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, 7, 17, 41

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 7 x 7 x 17 x 41 = 546,448

This can also be written as 24 x 72 x 171 x 411 = 546,448

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


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