Q: What are the prime factors of the number 735,072,540?

 A: 2, 3, 5, 293, 41813

Why are those the prime factors of the number 735,072,540?

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 735,072,540

735,072,540
Factor Arrows
2367,536,270
Factor Arrows
2183,768,135
Factor Arrows
361,256,045
Factor Arrows
512,251,209
Factor Arrows
29341,813

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, 5, 293, 41813

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 5 x 293 x 41,813 = 735,072,540

This can also be written as 22 x 31 x 51 x 2931 x 41,8131 = 735,072,540

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


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