Q: What are the prime factors of the number 546,432?

 A: 2, 3, 1423

Why are those the prime factors of the number 546,432?

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 546,432

546,432
Factor Arrows
2273,216
Factor Arrows
2136,608
Factor Arrows
268,304
Factor Arrows
234,152
Factor Arrows
217,076
Factor Arrows
28,538
Factor Arrows
24,269
Factor Arrows
31,423

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, 1423

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 3 x 1,423 = 546,432

This can also be written as 27 x 31 x 1,4231 = 546,432

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


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