Q: What are the prime factors of the number 541,356,158?

 A: 2, 7, 181, 213637

Why are those the prime factors of the number 541,356,158?

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 541,356,158

541,356,158
Factor Arrows
2270,678,079
Factor Arrows
738,668,297
Factor Arrows
181213,637

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, 7, 181, 213637

We can check our work by multiplying all of the prime factors together: 2 x 7 x 181 x 213,637 = 541,356,158

This can also be written as 21 x 71 x 1811 x 213,6371 = 541,356,158

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


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