Q: What are the prime factors of the number 37,120,850?

 A: 2, 5, 13, 23, 191

Why are those the prime factors of the number 37,120,850?

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 37,120,850

37,120,850
Factor Arrows
218,560,425
Factor Arrows
53,712,085
Factor Arrows
5742,417
Factor Arrows
1357,109
Factor Arrows
134,393
Factor Arrows
23191

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, 13, 23, 191

We can check our work by multiplying all of the prime factors together: 2 x 5 x 5 x 13 x 13 x 23 x 191 = 37,120,850

This can also be written as 21 x 52 x 132 x 231 x 1911 = 37,120,850

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


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