Q: What are the prime factors of the number 542,053,432?

 A: 2, 17, 19, 89, 2357

Why are those the prime factors of the number 542,053,432?

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 542,053,432

542,053,432
Factor Arrows
2271,026,716
Factor Arrows
2135,513,358
Factor Arrows
267,756,679
Factor Arrows
173,985,687
Factor Arrows
19209,773
Factor Arrows
892,357

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, 17, 19, 89, 2357

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 17 x 19 x 89 x 2,357 = 542,053,432

This can also be written as 23 x 171 x 191 x 891 x 2,3571 = 542,053,432

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


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