Q: What are the prime factors of the number 542,122,497?

 A: 3, 7, 19, 150967

Why are those the prime factors of the number 542,122,497?

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 542,122,497

542,122,497
Factor Arrows
3180,707,499
Factor Arrows
360,235,833
Factor Arrows
320,078,611
Factor Arrows
72,868,373
Factor Arrows
19150,967

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:

3, 7, 19, 150967

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 7 x 19 x 150,967 = 542,122,497

This can also be written as 33 x 71 x 191 x 150,9671 = 542,122,497

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


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