Q: What are the prime factors of the number 805,028,500?

 A: 2, 5, 1610057

Why are those the prime factors of the number 805,028,500?

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 805,028,500

805,028,500
Factor Arrows
2402,514,250
Factor Arrows
2201,257,125
Factor Arrows
540,251,425
Factor Arrows
58,050,285
Factor Arrows
51,610,057

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, 1610057

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 5 x 5 x 1,610,057 = 805,028,500

This can also be written as 22 x 53 x 1,610,0571 = 805,028,500

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


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