Q: What are the prime factors of the number 356,536,040?

 A: 2, 5, 7, 1273343

Why are those the prime factors of the number 356,536,040?

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 356,536,040

356,536,040
Factor Arrows
2178,268,020
Factor Arrows
289,134,010
Factor Arrows
244,567,005
Factor Arrows
58,913,401
Factor Arrows
71,273,343

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, 1273343

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 7 x 1,273,343 = 356,536,040

This can also be written as 23 x 51 x 71 x 1,273,3431 = 356,536,040

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


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