Q: What are the prime factors of the number 73,684,100?

 A: 2, 5, 7, 105263

Why are those the prime factors of the number 73,684,100?

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 73,684,100

73,684,100
Factor Arrows
236,842,050
Factor Arrows
218,421,025
Factor Arrows
53,684,205
Factor Arrows
5736,841
Factor Arrows
7105,263

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, 7, 105263

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 5 x 7 x 105,263 = 73,684,100

This can also be written as 22 x 52 x 71 x 105,2631 = 73,684,100

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


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