Q: What are the prime factors of the number 531,756,100?

 A: 2, 5, 83, 64067

Why are those the prime factors of the number 531,756,100?

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 531,756,100

531,756,100
Factor Arrows
2265,878,050
Factor Arrows
2132,939,025
Factor Arrows
526,587,805
Factor Arrows
55,317,561
Factor Arrows
8364,067

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, 83, 64067

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 5 x 83 x 64,067 = 531,756,100

This can also be written as 22 x 52 x 831 x 64,0671 = 531,756,100

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


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