Q: What are the prime factors of the number 723,566,100?

 A: 2, 3, 5, 107, 22541

Why are those the prime factors of the number 723,566,100?

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 723,566,100

723,566,100
Factor Arrows
2361,783,050
Factor Arrows
2180,891,525
Factor Arrows
360,297,175
Factor Arrows
512,059,435
Factor Arrows
52,411,887
Factor Arrows
10722,541

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, 3, 5, 107, 22541

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 5 x 5 x 107 x 22,541 = 723,566,100

This can also be written as 22 x 31 x 52 x 1071 x 22,5411 = 723,566,100

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


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