Q: What are the prime factors of the number 823,254,500?

 A: 2, 5, 1646509

Why are those the prime factors of the number 823,254,500?

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 823,254,500

823,254,500
Factor Arrows
2411,627,250
Factor Arrows
2205,813,625
Factor Arrows
541,162,725
Factor Arrows
58,232,545
Factor Arrows
51,646,509

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, 1646509

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 5 x 5 x 1,646,509 = 823,254,500

This can also be written as 22 x 53 x 1,646,5091 = 823,254,500

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


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