Q: What are the prime factors of the number 211,200,345?

 A: 3, 5, 107, 14621

Why are those the prime factors of the number 211,200,345?

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 211,200,345

211,200,345
Factor Arrows
370,400,115
Factor Arrows
323,466,705
Factor Arrows
37,822,235
Factor Arrows
51,564,447
Factor Arrows
10714,621

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:

3, 5, 107, 14621

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 5 x 107 x 14,621 = 211,200,345

This can also be written as 33 x 51 x 1071 x 14,6211 = 211,200,345

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


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