Q: What are the prime factors of the number 546,126,042?

 A: 2, 3, 7, 11, 283, 4177

Why are those the prime factors of the number 546,126,042?

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 546,126,042

546,126,042
Factor Arrows
2273,063,021
Factor Arrows
391,021,007
Factor Arrows
713,003,001
Factor Arrows
111,182,091
Factor Arrows
2834,177

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, 7, 11, 283, 4177

We can check our work by multiplying all of the prime factors together: 2 x 3 x 7 x 11 x 283 x 4,177 = 546,126,042

This can also be written as 21 x 31 x 71 x 111 x 2831 x 4,1771 = 546,126,042

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


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