Q: What are the prime factors of the number 285,040,623?

 A: 3, 7, 29, 59, 7933

Why are those the prime factors of the number 285,040,623?

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 285,040,623

285,040,623
Factor Arrows
395,013,541
Factor Arrows
713,573,363
Factor Arrows
29468,047
Factor Arrows
597,933

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, 7, 29, 59, 7933

We can check our work by multiplying all of the prime factors together: 3 x 7 x 29 x 59 x 7,933 = 285,040,623

This can also be written as 31 x 71 x 291 x 591 x 7,9331 = 285,040,623

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


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