Q: What are the prime factors of the number 513,552,400?

 A: 2, 5, 1283881

Why are those the prime factors of the number 513,552,400?

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 513,552,400

513,552,400
Factor Arrows
2256,776,200
Factor Arrows
2128,388,100
Factor Arrows
264,194,050
Factor Arrows
232,097,025
Factor Arrows
56,419,405
Factor Arrows
51,283,881

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, 1283881

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 5 x 1,283,881 = 513,552,400

This can also be written as 24 x 52 x 1,283,8811 = 513,552,400

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


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