Q: What are the prime factors of the number 541,400,020?

 A: 2, 5, 7, 17, 32497

Why are those the prime factors of the number 541,400,020?

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 541,400,020

541,400,020
Factor Arrows
2270,700,010
Factor Arrows
2135,350,005
Factor Arrows
527,070,001
Factor Arrows
73,867,143
Factor Arrows
7552,449
Factor Arrows
1732,497

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, 5, 7, 17, 32497

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 7 x 7 x 17 x 32,497 = 541,400,020

This can also be written as 22 x 51 x 72 x 171 x 32,4971 = 541,400,020

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


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