Q: What are the prime factors of the number 543,354,432?

 A: 2, 3, 541, 5231

Why are those the prime factors of the number 543,354,432?

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 543,354,432

543,354,432
Factor Arrows
2271,677,216
Factor Arrows
2135,838,608
Factor Arrows
267,919,304
Factor Arrows
233,959,652
Factor Arrows
216,979,826
Factor Arrows
28,489,913
Factor Arrows
32,829,971
Factor Arrows
5415,231

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, 541, 5231

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 3 x 541 x 5,231 = 543,354,432

This can also be written as 26 x 31 x 5411 x 5,2311 = 543,354,432

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


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