Q: What are the prime factors of the number 211,700,310?

 A: 2, 3, 5, 37, 269, 709

Why are those the prime factors of the number 211,700,310?

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 211,700,310

211,700,310
Factor Arrows
2105,850,155
Factor Arrows
335,283,385
Factor Arrows
57,056,677
Factor Arrows
37190,721
Factor Arrows
269709

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, 37, 269, 709

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 37 x 269 x 709 = 211,700,310

This can also be written as 21 x 31 x 51 x 371 x 2691 x 7091 = 211,700,310

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


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