Q: What are the prime factors of the number 540,242,265?

 A: 3, 5, 113, 139, 2293

Why are those the prime factors of the number 540,242,265?

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 540,242,265

540,242,265
Factor Arrows
3180,080,755
Factor Arrows
536,016,151
Factor Arrows
113318,727
Factor Arrows
1392,293

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, 5, 113, 139, 2293

We can check our work by multiplying all of the prime factors together: 3 x 5 x 113 x 139 x 2,293 = 540,242,265

This can also be written as 31 x 51 x 1131 x 1391 x 2,2931 = 540,242,265

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


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